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Class Information
Number: 313
Name: Electric lamp and discharge devices >
Description: This is the generic class for electric lamp and electric space discharge device structure.










Class Number Class Name No. of Patents
313/8

Arc and separate incandescent body

1
313/DIG.7

Bombardment induced conductivity

3
313/364

Cathode ray tube

51
313/421

Beam deflecting means

114
313/425

Centering

20
313/423

Electron reflecting mirror

14
313/439

Electrostatic

62
313/422

Flat tube type

470
313/424

Ion trap

11
313/426

Plural

63
313/432

Electrostatic

74
313/436

Enclosed or overlapping

6
313/433

Magnetic

47
313/434

Nonparallel or asymmetric

7
313/435

Nonplanar

9
313/437

With distortion correction

43
313/438

With support

11
313/427

Three or more

33
313/429

Field varied near screen (i.e., post deflection)

17
313/430

By external element

22
313/431

Plural magnetic

139
313/428

With convergence

63
313/440

With yoke

387
313/420

Electron permeable window

76
313/477R

Envelope

505
313/479

Coating or shielding

457
313/480

Composition

102
313/482

Support for electrode or envelope

138
313/477HC

With details of high-voltage connector

71
313/478

With external optical element

225
313/481

With getter or gas

105
313/365

Image pickup tube

30
313/369

Mechanically responsive (e.g., sound)

6
313/370

Particular transparent conductor

10
313/384

Photoconductive

41
313/390

Electrode or electrode support

31
313/389

Focusing

29
313/385

Layer composition

24
313/386

Plural layers

70
313/387

Secondary electron emissive

12
313/388

Special ray sensitive

35
313/366

Semiconductor depletion layer type

77
313/367

Mosaic

27
313/368

Plural junction

5
313/371

With optical element

57
313/372

Light conducting fiber or rod

21
313/373

With photoemissive cathode

30
313/383

Electrode or electrode support

13
313/382

Focusing

12
313/381

Image dissector

9
313/374

Mosaic

12
313/375

Plural photoemissive layers

5
313/379

Secondary electron emissive

11
313/380

Special ray sensitive

5
313/376

With target

11
313/377

Secondary electron emissive

13
313/378

Support

2
313/409

Plural beam generating or control

157
313/412

Convergence

367
313/411

One cathode source of plural beams

42
313/410

With character forming electrode

11
313/413

With deflection

185
313/417

With electrode support

133
313/414

With focusing and accelerating electrodes

669
313/415

With screen

26
313/416

Including non-planar elements

8
313/441

Ray generating or control

84
313/445

Canted electrode (i.e., ion trap)

9
313/458

Electrode

62
313/459

Movable

14
313/460

Plural

99
313/446

Including cathode assembly

210
313/447

With control grid adjacent cathode

125
313/448

With anode

50
313/449

With additional electrode

218
313/450

With coating or spiral electrode

84
313/451

With support

61
313/452

With focus electrode adjacent cathode

49
313/453

Noncircular beam type

20
313/454

Nonplanar cathode

13
313/455

Brillouin beam type

7
313/444

Sandwiched electrodes

32
313/442

With magnetic focus

82
313/443

Internal

22
313/456

With support for electrode

121
313/457

Parallel rod type

52
313/461

Screen

295
313/463

Electroluminescent

144
313/464

Incandescent type

2
313/465

Light valve type

22
313/470

Mosaic

56
313/471

Beam indexing element

37
313/472

Dot type

27
313/466

Nonluminescent layer

172
313/467

Phosphor composition

188
313/469

Embedded in face plate

22
313/468

Rare earth

148
313/473

Plural layer type

104
313/462

Scale or graticule

18
313/476

Support

15
313/474

With optics

142
313/475

Light conducting fiber or rod

30
313/399

Secondary emissive electrode

21
313/401

Monoscope

1
313/400

With display

38
313/402

Shadow mask, support or shield

750
313/403

Non-circular aperture

251
313/407

With frame

557
313/404

With resilient support

196
313/405

Bimetallic

73
313/406

With studs

104
313/408

With screen

309
313/418

Signal translating output electrode

1
313/419

Plural

6
313/391

Storage

22
313/394

Continuous storage element

3
313/392

Depletion layer type storage element

13
313/393

Double ended

3
313/395

Foraminous storage element

17
313/397

With display

9
313/398

Integral or contiguous storage and display element

20
313/396

With non-beaming gun

13
313/323

Combined

12
313/324

With casing or jacket

30
313/52

Convertible

2
313/62

Cyclotrons

85
313/230

Discharge device with positive ion emitter

88
313/309

Discharge devices having a multipointed or serrated edge electrode

1259
313/310

Discharge devices having a thermionic or emissive cathode

801
313/311

Discharge devices having an electrode of particular material

577
313/306

Discharge devices having three or more electrodes

217
313/308

Discharge control electrode

152
313/307

Four or more electrodes

50
313/305

Discharge heated anode type (e.g., cathanode)

7
313/293

Discharging devices with apertured electrode (e.g., grid) interposed between two electrodes

109
313/295

Interposed electrode with non-uniform mesh area (e.g., variable mu)

6
313/294

Non-uniformly spaced from another electrode

8
313/302

Plural cathodes

43
313/296

Plural interposed apertured electrodes

27
313/301

Plural interelectrode discharge spaces

3
313/297

Serially arranged

10
313/299

Aligned apertures (e.g., beam power)

32
313/298

Plural interelectrode discharge

2
313/300

Three or more serially arranged

11
313/304

Plural-parallel-section cathode with electrode surrounding each section

35
313/303

Three or more nonemissive electrodes (e.g., plural anodes)

16
313/326

Electrode and shield structures

135
313/346R

Cathodes containing and/or coated with electron emissive material

591
313/346DC

Dispensator cathode

169
313/352

Composite electrodes or shields

72
313/355

Coated or laminated

148
313/354

Cored rod

10
313/353

With non-discharge-sustaining portion

19
313/341

Filament or resistance heated electrodes

138
313/345

Coated

82
313/344

Coiled

82
313/342

Noninductive

5
313/343

Plural wires or strands

42
313/348

Foraminous electrodes (e.g., grids) or shields

97
313/349

Nonuniform mesh area or nonstraight electrodes or nonuniform cross sectional area electrodes

35
313/350

Rods, wire, or mesh supported on rod or post

16
313/347

Incandescible upon electron bombardment

4
313/337

Indirectly heated cathodes

150
313/340

Insulating material between heater and cathode

38
313/339

Interior emissive hollow cathodes

18
313/338

Plural separate cathode sections

33
313/328

Liquid electrode container

5
313/329

Mosaic electrodes

5
313/351

Multipointed or serrated edge electrode

652
313/336

Point source cathodes

905
313/357

Rods

22
313/327

Self-baking electrodes (e.g., soederberg)

4
313/356

Tubular or hollow sleeve

51
313/331

With lead wire or connector

186
313/333

Filament or wire shield or electrode

40
313/332

Inserted section or material

123
313/334

Nonmetallic electrode or shield

5
313/335

Rod electrode or shield

20
313/234

Electrode exterior to envelope

213
313/232

Electrodes immersed in liquid

22
313/9

Filament and separate incandescent body

4
313/53

Flame or explosion type

1
313/231.01

Fluent material supply or flow directing means

95
313/231.71

Arc discharge lamp or radiation source

44
313/231.11

Lightning or surge arrester

46
313/231.21

Expulsion type

14
313/231.31

Plasma

388
313/231.41

Arc discharge type

156
313/231.61

Electromagnetic output (i.e., light)

49
313/231.51

With tangential fluent supply

51
313/93

Geiger-mueller type

48
313/563

Having gas generating material

18
313/547

Having heating means to control gas/vapor, gas or vapor generating means, or getter means

48
313/549

Discharge device gettering

47
313/551

Gas generating

15
313/548

Incandescent lamp gettering

4
313/550

Vapor generating

60
313/552

Having pressure control of gas or vapor

49
313/545

Having valve with getter, gas/vapor generating material or pressure control means

25
313/564

Having vapor generating material

56
313/566

Electrode or electrode support includes material

31
313/565

Mercury vapor material

114
313/235

Imperfect electrical contact between electrodes

3
313/315

Incandescent lamps

227
313/316

Plural filaments or glowers

72
313/233

Involving particular degree of vacuum

7
313/163

Liquid electrode discharge devices

27
313/167

Apertured electrode (e.g., grid) interposed in discharge space

2
313/170

Auxiliary starting or holding electrode

1
313/171

Immersed in liquid electrode

8
313/173

Cathode spot anchoring

4
313/172

Liquid in contact with plural electrodes

9
313/168

Plural anodes in separate envelope chambers

0
313/169

Plural anodes with anode arc shield

3
313/165

Plural liquid electrodes

5
313/164

Shock absorber for liquid

0
313/166

Starting band or external electrode

2
313/358

Miscellaneous (e.g., electrolytic light source)

26
313/325

Miscellaneous discharge devices

89
313/314

Nonrepairable

6
313/523

Photosensitive

75
313/538

Gas phototube

13
313/537

Having a control electrode

55
313/525

Having phosphor screen

53
313/527

Photocathode responsive to phosphor

57
313/526

Proximity focus type

40
313/529

With control electrode

53
313/528

With electron multiplier

80
313/530

With photocathode on envelope

58
313/541

Having photocathode on tube wall

61
313/540

Having plural anodes or cathodes

19
313/531

Having plural photosensitive electrodes

22
313/542

Photocathode

188
313/544

With envelope

96
313/543

With phosphor

27
313/532

Photomultiplier

179
313/533

Having plural dynodes

136
313/536

Box or linear type

37
313/534

Channel or circular type

79
313/535

Venetian blind type

31
313/104

Plural secondary emissive electrodes

53
313/105R

Three or more

89
313/105CM

Channel multiplier

187
313/539

Responsive to ultraviolet radiation

36
313/103R

Secondary emitter type (e.g., electron multiplier)

171
313/103CM

Channel multiplier

251
313/524

With optical device

123
313/1

Plural unit

56
313/2.1

Cathode ray tube

41
313/5

Control electrode unit

5
313/6

Plural control electrode units

1
313/3

Inter-electrode connection

11
313/106

Secondary emission prevention

31
313/107

Nonemissive material

25
313/118

Spark plugs

280
313/133

Ball electrode

7
313/132

Capillary groove or space

5
313/127

Cleaner (e.g., movable scraper)

5
313/138

Electrodes are pure figures of revolution about plug axis

37
313/125

Movable electrode (e.g., for cleaning, adjustable)

21
313/126

Automatically moved (e.g., engine vibration)

7
313/130

Non-conducting material in or adjacent gap (e.g., restricts spark)

51
313/131R

Non-shortest line spark and surface spark type

23
313/131A

Spark plugs with semiconductive material at the gap

34
313/141

Particular electrode structure or spacing

712
313/142

Gap on and along axis

185
313/128

Plural insulated electrodes with individual lead-in

15
313/140

Plural parallel gaps (e.g., main and standby, serrated electrode)

75
313/136

Plural part center electrode lead-in

60
313/137

Plural part insulating means

66
313/123

Plural series gaps

45
313/124

Intensifier in center electrode lead-in

18
313/122

Removable electrode on shell

11
313/121

Reversible (e.g., part)

1
313/139

Ring or disk electrode (e.g., sector)

67
313/119

Sealing-off valve for electrode chamber

7
313/143

Shaped electrode chamber, insulator end, shell skirt, baffle or gas directing means

358
313/120

With fluid feed or air vent

41
313/135

With particular connector structure

73
313/134

With radio shielding

17
313/144

With specific joint structure

168
313/145

Between center electrode and insulator

47
313/129

With transparent part

8
313/236

Stand-by electrode type (with spare electrode)

7
313/107.5

Variable width electron stream (e.g., magic eye)

2
313/312

With casing of jacket for envelope

47
313/513

With character display (e.g., digits or letters)

59
313/514

Gaseous discharge medium

19
313/516

Electrode with character-shaped aperture

8
313/515

With character-shaped envelope

9
313/517

With electrode display segments

35
313/519

Multiple display (i.e., side-by-side)

47
313/518

With dielectric layer or coating

27
313/520

With integrant display electrode

5
313/521

Stacked electrodes (i.e., superimposed)

14
313/522

Incandescent filament display

10
313/49

With detachable electrical connector or support

58
313/51

Electrical connector

138
313/50

Resilient or vibration damping

29
313/313

With electrical shield or static charge distribution means

144
313/237

With electrode replacement means or demountable

42
313/317

With envelope

98
313/318.12

Having a connector

139
313/318.01

Having base and connector

472
313/318.07

Associated with pinch (or press) seal of envelope

182
313/318.08

Base attached to the envelope with cement or adhesive

85
313/318.09

Base attached to the envelope with friction or other mechanical means

212
313/318.1

Resilient mechanical means for attaching the base to the envelope

115
313/318.11

Having a reflector in combination with base

137
313/318.03

Having an annular contact disposed concentrically about the longitudinal axis of the envelope

59
313/318.04

Having screw thread coupling contact

114
313/318.05

Having spaced, longitudinally engaging, pronglike contacts

140
313/318.06

Having three or more electrical contacts

53
313/318.02

Secure to each end of a double-ended or tubular envelope

155
313/7

With evacuating pump

27
313/546

With frangible capsule containing getter, gas or vapor generating material

53
313/567

With gas or vapor

196
313/622

Discharge device with diverse electrodes

38
313/633

Electrode composition

212
313/636

Envelope composition

238
313/634

Envelope with particular structure

1150
313/635

Envelope layer or coating

419
313/568

Having a particular total or partial pressure

44
313/570

Greater than 760 torr

133
313/571

Includes mercury in gas or vapor fill

142
313/569

Incandescent lamp

29
313/577

Less than .1 torr

22
313/572

One torr thru 760 torr

82
313/573

Having specified envelope detail

256
313/574

With electrode structure

130
313/575

Composite

20
313/576

With rare gas

41
313/609

Having baffle, partition, or constricting means affecting discharge

109
313/611

Constriction means

38
313/612

Substantially the full length of discharge path

24
313/610

Partition

101
313/607

Having electrode exterior to envelope

348
313/627

Having electrode heated by space discharge current

25
313/628

Coil type

44
313/623

Having electrode lead-in or electrode support sealed to envelope

626
313/624

End cap seal

205
313/625

End plug seal

237
313/630

Having electrode of alkali, alkaline or rare earth material

69
313/613

Having electrode shield

60
313/615

Crater electrode with shield

3
313/614

With anode shield

13
313/616

With positive ion or cathode shield

8
313/621

Having electrodes with geometrical relationship

79
313/618

Having hollow cathode

68
313/626

Having lead-in shield

81
313/631

Having particular electrode structure

580
313/632

Cathode or anode

202
313/629

Having resistance heated cathode

12
313/620

Having specified electrode spacing

128
313/617

Having spur electrode

3
313/578

Incandescent filament lamp

180
313/579

Tungsten-halogen cycle lamp

220
313/580

With filter, barrier, screen, shield, electric terminal or fuse

137
313/605

Mean free-path spacing of envelope portions or content parts

13
313/606

Electrode spacing related to mean free path length

14
313/619

Negative or cathode glow device

84
313/608

Single electrode type discharge device, or including particulate material

20
313/581

Three or more electrode discharge device

199
313/588

Amplifier, cathanode, or ionic cathode

10
313/589

Counter, indicator, or switching tube

25
313/591

Having cathode heater

7
313/592

With control electrode

14
313/593

Plural

4
313/595

Internal start or control electrode between discharge electrodes

73
313/597

Interposed apertured electrode

21
313/598

Mean free-path spacing

6
313/599

Plural serial apertured electrodes

10
313/596

Strip electrode

25
313/600

Two interposed electrodes

15
313/582

Multiple gaseous discharge display panel

1601
313/583

Having electric terminal detail

328
313/584

Having intersecting electrode sets

734
313/586

With dielectric member

818
313/587

And additional layer on member

661
313/585

With three sets of electrodes

388
313/604

Plural serial electrodes

9
313/594

Start electrode exterior to envelope

180
313/601

Start electrode not in main discharge path

59
313/602

Trigger electrode concentric with discharge electrode

34
313/603

Triggerable vacuum gap device

26
313/590

With shield to prevent discharge between electrodes

41
313/637

With particular gas or vapor

343
313/643

One or more rare gases

195
313/638

With metal vapor

262
313/639

Mercury vapor

252
313/640

And rare earth metal

112
313/641

With rare gas

99
313/642

And rare gas

173
313/553

With getter

158
313/556

And vapor generator

14
313/558

Electrode includes getter, supports getter, or is connected to getter

108
313/562

Gas or vapor device type

59
313/557

Incandescent lamp type

25
313/559

Mounted on electrode support

54
313/554

Plural

40
313/555

Diverse

12
313/561

With contained getter

63
313/560

With structure to direct or shield from getter

52
313/48

With handle

9
313/483

With luminescent solid or liquid material

449
313/494

Coplanar electrodes

88
313/498

Solid-state type

1217
313/511

Flexible

176
313/506

Plural layers

4963
313/509

With dielectric layer

913
313/507

With photosensitive layer

259
313/508

With piezoelectric layer

62
313/499

Semiconductor depletion layer type

222
313/501

Light conversion

558
313/500

Matrix or array

727
313/510

With character display (e.g., digits or letters)

94
313/505

With electrode matrix

993
313/512

With envelope or encapsulation

1878
313/503

With particular phosphor or electrode material

1730
313/504

Organic phosphor

5049
313/502

With phosphor embedding material

550
313/495

Vacuum-type tube

1941
313/496

Phosphor on anode segments

798
313/497

With accelerating or control electrode

783
313/484

With gaseous discharge medium

247
313/485

Phosphor on envelope wall

507
313/488

Aperture-type tube

57
313/491

Electrode structure or material

431
313/492

With shield or additional electrode

146
313/493

Envelope structure or material

956
313/486

Including particular phosphor

632
313/487

Plural

369
313/490

With amalgam

155
313/489

With protective coating or filter

281
313/153

With magnetic device

79
313/155

Electrode generates field

23
313/156

Field transverse to discharge

46
313/157

Concentrically arranged electrode with axial field

26
313/158

Pole pieces facing electrode ends

6
313/159

Electrode support penetrates pole piece

1
313/154

For generating plural fields

27
313/160

With envelope

51
313/161

Gas or vapor type

176
313/162

Three or more electrodes

20
313/146

With movable electrode or shield

60
313/152

Magnetic actuator

13
313/148

Movable envelope wall

10
313/150

Movable liquid electrode

1
313/147

Plural

14
313/149

Rotary

21
313/151

Thermal actuator

15
313/110

With optical device or special ray transmissive envelope

377
313/116

Light diffusing

142
313/117

Light valve or obscuring means

69
313/111

Plural diverse optical devices

128
313/112

Polarizer or special ray transmission (e.g., filter)

754
313/113

Reflector

846
313/115

Multiple filament lamps

47
313/114

Plural reflectors

130
313/359.1

With positive or negative ion acceleration

259
313/363.1

Extraction or target electrode

138
313/361.1

Means for deflecting or focusing

161
313/360.1

Plural apertured electrodes

125
313/362.1

Supplying ionizable material (e.g., gas or vapor)

196
313/54

With radioactive material

41
313/238

With support and/or spacing structure for electrode and/or shield

148
313/282

Conductive envelope supports electrode

3
313/283

Electrode supported by envelope

17
313/291

Electrode formed by coating on envelope

10
313/284

Electrode supporting member supported by envelope

29
313/285

Supporting wire, rod, or tube supported by envelope

44
313/286

At spaced or opposed portions of envelope

12
313/289

Ceramic or insulating support

20
313/288

Spacer between envelope and support or electrode

15
313/290

Stem or envelope structure

12
313/287

Support collar surrounding envelope stem

5
313/271

For filament

117
313/275

Insulator supports filament

23
313/276

Conductive member supports insulator

13
313/277

Insulating standard supports filament brackets or anchors

8
313/272

Plural filaments

71
313/273

Plural section filament

59
313/279

Support intermediate of filament ends

50
313/274

Supports supported by opposed parts of envelope

52
313/278

Tension device for filament

29
313/270

For indirectly heated cathode

116
313/243

For plural electrodes of discharge device

38
313/244

Envelope supports or forms electrode

21
313/248

Conductive envelope supports plural electrodes

7
313/246

Electrode forms part of envelope

15
313/247

Hollow electrode with another electrode supported by end structure

9
313/249

Elongated envelope with electrodes spaced along length

7
313/251

Plural electrodes supported along the length of a wire, rod, or tube

16
313/250

With spacer between electrodes or electrode supports

33
313/245

Plural discharge spaces formed by three or more electrodes

4
313/252

Support structure supported by the envelope

22
313/265

Apertured electrode (e.g., grid) supported between two other electrodes

3
313/253

At spaced or opposed portions of envelope

13
313/254

At three or more portions of envelope

3
313/255

Same electrode supported by spaced or opposed portions

3
313/256

Insulating or ceramic support rod or tube

22
313/266

Stem or envelope structure

2
313/263

With indirectly heated cathode

2
313/257

With spacer between electrode or electrode supports

41
313/262

Ceramic bead for joining parts

1
313/259

Insulating coating forms spacer

8
313/260

Plate or bar extending across ends of electrodes

4
313/261

Plates or bars at opposed ends of electrodes

16
313/258

Spacer between envelope and support or electrode

26
313/264

With u-shaped, v-shaped, or plural sections filament

6
313/268

Insulating spacer between discharge electrodes

59
313/267

Plural rod electrodes

8
313/239

For shield

39
313/240

Shield supported by electrode, electrode support, or spacer

50
313/241

Extending across ends of plural discharge device electrodes

7
313/242

Shield supported by or forming part of envelope stem

26
313/281

Support mounted in or around aperture in conductive wall or plate

14
313/292

Supporting and/or spacing elements

447
313/269

With vibration damping device

84
313/10

With temperature indicator

6
313/11

With temperature modifier

86
313/17

Double wall, jacket or casing for envelope

93
313/22

Fluid circulation type

64
313/24

Flow directing means in casing

52
313/23

Plural electrode temperature modifying

10
313/18

For conductive envelope devices

6
313/21

Cylindrical electrode type envelope

3
313/20

With internal temperature modifying baffle

10
313/19

With plural electrode temperature modifying

4
313/27

Heat conserving or insulating type

37
313/28

Plural electrode temperature modifying

1
313/25

Sealed casing for envelope

484
313/26

Integral double wall type of envelope

37
313/15

Electric heater

77
313/16

For liquid electrode

3
313/34

Envelope with condensing chamber or surface

19
313/33

Envelope with internal temperature modifying baffle

30
313/39

For electrode within an envelope

45
313/40

Radiating type surface

36
313/41

Material, roughened surface

11
313/44

For envelope wall

164
313/37

For filament or heated cathode

40
313/38

Hollow shield around filament or cathode

15
313/43

For lead-in-seal or stem protection

36
313/29

For liquid electrode

4
313/13

Having control means for the temperature modifier

34
313/46

Having heat conducting path

465
313/47

Heat conserving or insulating type

41
313/30

Hollow electrode or lead

46
313/32

Closed duct type (e.g., for liquid)

31
313/31

Tubular coil electrode

3
313/42

Mounted on lead-in or electrode support

31
313/14

Pyroelectric type device

7
313/45

Radiating type surface

130
313/12

Recirculating systems

33
313/11.5

Spark plug type

33
313/35

Using liquids or fluid flow directing means

131
313/36

Jacket or casing

110
 
 
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