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Class Information
Number: 238
Name: Railways: surface track >
Description: This class includes patents relating to surface railway-tracks which in their make-up include road-bed structure, rail-supporting elements--such as stringers, ties, rail-chairs, and tie-plates--rails, rail-joints, rail-bonds, track and rail-joint fastenings, and electric insulation as applied to ties, rails, rail-joints, rail-bonds, and track-fastenings.










Class Number Class Name No. of Patents
238/382

Deadening noise

76
238/14.05

Electrical connections

11
238/14.4

Combined rail joint or support

6
238/14.5

Interposed conductor

0
238/14.6

Rail web contacting

2
238/14.7

With intermediate bond-wire support

0
238/14.8

Dowel pin or inserted key type

1
238/14.2

From rail to noncontiguous rail or other object

5
238/14.1

Plural or laminated bond

2
238/14.11

On both sides of rails

0
238/14.9

Protected bond

0
238/14.12

Rail bond forms

1
238/14.14

Rail-base or flange attached

12
238/14.15

Molded joint

1
238/14.13

Rail-head attached

2
238/14.3

Special rail

4
238/310

Fastenings

94
238/335

Abutting screw point

0
238/377

Bolt anchors and sleeves

15
238/338

Clamps

74
238/343

Anchors

8
238/346

Ratchet

1
238/344

Vertical face

3
238/345

Vertical shank

4
238/347

Bevel guide

9
238/341

Cam adjustment

10
238/351

Clip type

96
238/352

Double

9
238/354

Horizontal wedge

7
238/353

Vertical wedge

2
238/339

Gauge

2
238/355

Hooks

10
238/356

Pivoted

3
238/357

Twin

3
238/359

Single pivot

0
238/358

Through bolt

1
238/350

Integral with tie

6
238/348

Internal arm

2
238/360

Lever

3
238/340

Multiple face

5
238/342

Nut type

5
238/349

Spring

163
238/361

Wedges

4
238/363

Aligned

0
238/364

Flange

1
238/365

Locks

3
238/362

Parallel

4
238/312

Protective boxes and closures

2
238/315

Rail anchors

24
238/317

Cam

5
238/320

Distorted rail

0
238/316

Pawl

1
238/319

Rail lug

2
238/318

Rail recess

1
238/321

Tie contact

4
238/325

Bevel slide

0
238/326

Reversed lap

0
238/322

Cam

1
238/329

Diagonal

0
238/330

Integral

0
238/323

Swinging clip

2
238/327R

Twin jaws

5
238/327A

Two-part, with lock

1
238/328

With wedge

0
238/324

Wedge

1
238/336

Rail brace

23
238/337

Vertical slide

1
238/366

Spikes

12
238/368

Bent

0
238/367

Interlock

1
238/375

Lock

6
238/370

Plug

8
238/376

Ratchet

0
238/372

Screw

7
238/373

Sockets

3
238/374

Socket and wedge

2
238/371

Socket

7
238/369

Split end

1
238/331

Transverse slide

15
238/333

Horizontal wedge-operated

4
238/332

Screw-operated

2
238/334

Vertical wedge-operated

3
238/378

U-bolts and clips

9
238/313

Universal

0
238/311

Welded

3
238/314

Yoke

1
238/379

Foot guards

4
238/380

Switch point

4
238/381

Wheel-depressed

6
238/17

Guardrails

24
238/22

Spacers

7
238/23

Tapered

2
238/18

Spring

3
238/20

Two-rail chair

8
238/21

Two-rail clamps

5
238/19

Under main rail

3
238/1

Miscellaneous

26
238/109

Pedestals

9
238/115

Concrete block

14
238/117

Bar core

13
238/116

Chair bar

0
238/119

Pier

1
238/110

Pot

4
238/111

Cast

1
238/120

Screw

0
238/114

Tube or box

2
238/118

Wood block

0
238/112

Wrought plate

0
238/113

Inverted "u"

0
238/10R

Portable track

135
238/10C

Continuous roadbeds

11
238/12

Crossovers

2
238/11

Embankment or fill

1
238/13

House moving

5
238/10B

Simulated roadbeds

19
238/10E

Toy track, rail-guided

106
238/10F

Toy track, slot-guided

85
238/10A

Toy truck systems

42
238/14

Traction mats

85
238/121

Rail arrangement

8
238/151

Rail joints

21
238/209

Base plate

0
238/212

Angle-bar overlap

0
238/211

Angle-bar underlap

0
238/213

Base stiffeners

1
238/215

Center seat

0
238/214

Distorted

0
238/216

Rail lock

0
238/217

Side clips

3
238/210

Top flange

2
238/162

Cast on

3
238/187

Chair

4
238/195

Angle

0
238/196

Pivoted

1
238/198

Sliding splice lock

0
238/199

Base plate underlap

0
238/197

Splice lug engagement

1
238/201

Transverse slide

1
238/203

Horizontal wedge

1
238/202

Screw-operated

0
238/204

Vertical wedge

1
238/200

Weber type

0
238/205

Integral

3
238/206

Base filler

1
238/207

One-side filler

0
238/208

Two-side filler

0
238/188

Twin

1
238/189

Base stiffener

0
238/191

Base-bolted

1
238/193

Interlocked base sections

0
238/194

Longitudinal keys

0
238/192

Lapping base sections

0
238/190

With base plate

0
238/167

Compromise

5
238/171

Expansion deflectors

9
238/180

Flush web key

0
238/170

Gravity

1
238/152

Insulated

20
238/154

Chair

3
238/157

Angle

1
238/158

Weber type

0
238/155

Twin

0
238/156

Base plate or bolted

0
238/159

Splice bars

14
238/161

In channel

2
238/160

With base plate

4
238/153

Transverse abutting

11
238/183

Integral web key and bars

1
238/179

Internal key

2
238/182

Joint lug key

0
238/161.5

Lubricant- or liquid-containing

2
238/163

Molten filler

2
238/169

Parallel beams

1
238/166

Pivoted

3
238/230

Scarf

7
238/240

Angularly assembled

2
238/242

Lateral

3
238/241

Longitudinal

3
238/236

Laterally assembled

1
238/238

Longitudinal lock

0
238/239

Twin

3
238/237

Twin

0
238/234

Longitudinal or vertical

0
238/231

Longitudinally assembled

5
238/232

Twin

4
238/233

With vertical drop

0
238/235

Vertical drop

2
238/175

Special rails

5
238/176

Channels

1
238/178

Flat

0
238/177

T-web u-base

1
238/243

Splice bars

19
238/263

Adjustable joint clamps

3
238/251

Bar bolts and splice keys

1
238/250

Bar lugs and splice keys

1
238/253

Bolt keys

2
238/255

Cam-tightened

2
238/260

Fasteners

1
238/261

Double and split keys

0
238/249

Longitudinal bolts

5
238/244

Multiple part

2
238/262

Nut and bolt lock

2
238/246

Rail guide

1
238/247

Attached

0
238/248

Rail sleeve

3
238/254

Rail-groove swing

0
238/252

Slotted bolt locks

1
238/259

Springs

0
238/258

Tapered

0
238/245

Toggle

0
238/256

U-bars and loops

1
238/257

Vertical bevel flange

0
238/165

Switch rail

3
238/218

Tread bridge

5
238/223

Head section

0
238/224

Saddle

0
238/221

Notched head

0
238/222

Twin

0
238/225

Rail section

5
238/226

Splice key

2
238/220

Rail-head cover

1
238/219

Rail-head insert

2
238/227

Spacer

2
238/228

Expansible

3
238/229

Web posts

0
238/168

Truss rod

1
238/174

Variable levels

5
238/172

Vertical adjustment

3
238/181

Web key splice lock

0
238/184

Web locks

0
238/164

Welded

11
238/173

Yielding rail end

1
238/185

Z-form

0
238/186

Base-connected

0
238/264

Rail seats

57
238/269

Cast

1
238/271

Plane top

1
238/270

With tie

8
238/283

Cushions

104
238/284

Metal springs

5
238/285

Wood blocks

0
238/266

English chair

0
238/279

Gravity

0
238/268

Inverted channel rail

1
238/278

Jaw and seat

1
238/282

Lateral adjustment

23
238/277

Pivoted

1
238/280

Saddles

2
238/286

Spiking blocks

2
238/267

T-rail

3
238/275

Twin jaws

0
238/276

Wrought

0
238/281

Vertical adjustment

14
238/265

With anchor in concrete

26
238/272

Wrought

1
238/274

Plane top

0
238/273

With tie

0
238/122

Rails

37
238/138

Base bar

2
238/137

Biped

1
238/127

Channel

4
238/128

Integral

3
238/140

Detachable guard or step

1
238/143

Detachable head

9
238/145

Grooved web

0
238/146

Integral grooved base

1
238/144

Lap web

1
238/147

Web clamp

1
238/123

Rack

12
238/132

Reversible

0
238/133

Triple head

0
238/139

Side bars

0
238/141

Split base and web

3
238/142

Split tread

3
238/136

Step tread

3
238/150

Substance

12
238/130

T-rail

4
238/148

Tread surfaces

16
238/129

Trough and filler

2
238/134

Tubular

8
238/135

Integral

3
238/124

Turnout

3
238/125

Vignoles

7
238/126

T-base insert

1
238/131

Webless or flat

0
238/149

Webs

2
238/2

Roadbed

96
238/6

Continuous

13
238/7

Concrete

45
238/3

Highway track

10
238/5

Concrete

11
238/4

Metallic

2
238/9

Rail paving

20
238/8

Street crossing

105
238/24

Stringers

2
238/25

Concrete

12
238/26

Metallic

5
238/27

Tie arrangement

11
238/28

Diagonal

0
238/287

Tie-plates

37
238/297

Anchors

7
238/298

Integral

9
238/307

Contour

10
238/288

Gauge

6
238/290

Lap

0
238/291

Interlock

3
238/289

Plural tie

1
238/292

Rail brace

12
238/293

Integral

1
238/306

Rail-base seats

14
238/301

Reversible

0
238/302

Spring

1
238/305

Rotary

2
238/303

Screw spike

8
238/300

Sleeve

2
238/294

Spike lock

3
238/295

Lug on spike

4
238/296

Pawl

0
238/308

Spike-hole arrangement

3
238/309

Spike-shank brace

0
238/299

Tie butting

4
238/304

Top surface

19
238/29

Ties

27
238/106

Anchor lugs and ribs

8
238/82

Corrugated

2
238/54

Cross section

7
238/59

Channel flange down

6
238/61

Rolled

1
238/60

Sheet metal

3
238/62

Channel flange up

7
238/64

Rolled

0
238/63

Sheet metal

1
238/65

I-beam

1
238/66

Rolled

0
238/67

T-shape

3
238/68

Cast

2
238/69

Inverted

2
238/70

Tubular

3
238/81

Circular

1
238/71

Multiple

0
238/72

Rectangular

1
238/77

Folded sheet

0
238/78

Integral

0
238/79

Cast

0
238/75

Separate bottom

0
238/74

Separate lid and bottom

0
238/76

Separate lid

0
238/73

Vertical telescope

0
238/80

Triangular

0
238/55

Two-part

2
238/58

Angles or t's

3
238/56

Channels

1
238/57

I-beam

3
238/104

End closures

2
238/30

Forms

8
238/39

Complementary sliding lock

2
238/34

Detachable ends

1
238/37

Horizontal sandwich

8
238/31

Jointed

1
238/32

Hinged

2
238/33

Pivoted ends

2
238/43

Loop or hook ends

0
238/35

Multiple section

6
238/45

Special

2
238/47

Bridge joint

1
238/49

Old rail

0
238/46

Rail joint

1
238/48

Spring

1
238/44

Spread ends

2
238/42

Stringer ends

0
238/40

Truss

1
238/41

Integral

0
238/38

Twin

4
238/36

Vertical sandwich

7
238/107

Insulation

10
238/108

Sectional tie

2
238/83

Nonmetallic

26
238/84

Plastic compound

48
238/95

Armored

4
238/103

Bottom

0
238/96

Box

1
238/98

Side and bottom

4
238/99

Side and top

0
238/100

Sides

1
238/102

Top and bottom

1
238/101

Top

1
238/97

Tube

0
238/85

Internal reinforcements

24
238/88

Cast

2
238/90

Closed loop

1
238/93

Foraminous sheet

0
238/91

Rods

14
238/92

Crosstied

2
238/89

Rolled section

4
238/86

Truss

2
238/87

Tube

1
238/94

Wire

5
238/50

Rods

4
238/51

Rail-base

1
238/53

Screw rod

3
238/52

Turnbuckle

1
238/105

Spacers

2
238/15

Track curves

8
238/16

Rollers

2
238/DIG.1

Track structure assembled by gluing

5
 
 
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