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Class Information
Number: 112
Name: Sewing >
Description: This is the generic locus for patents for (1) sewing machines, (2) methods of sewing, and (3) stock material products of a sewing operation. This class is also residual for patents for sewn articles which are not specifically provided for in any other class.










Class Number Class Name No. of Patents
112/DIG.2

Air work handling

47
112/270

Elements

38
112/257

Attachment holders

5
112/279

Bobbin winding

60
112/280

Cooling

10
112/281

Needle

10
112/220

Driving mechanisms

170
112/221

Needle

179
112/283

Fly wheels

5
112/258

Frames

79
112/259

Heads

44
112/260

Work supports

131
112/261

Guards

37
112/284

Linkage systems

10
112/256

Lubricating

50
112/222

Needles

68
112/226

Clamping

33
112/227

Guiding

29
112/225

Setting and threading attachments

86
112/223

Thread releasing

4
112/224

Threading structure

13
112/235

Presser devices

162
112/240

Detachable connections

37
112/236

Embroidering and darning

14
112/237

Lifting

53
112/239

Automatic

31
112/238

With tension release

6
112/228

Revolving hooks

31
112/231

Bobbin holders and casings

82
112/229

Bobbin tensioning

34
112/230

Sectional

18
112/232

Shuttles

10
112/234

Longitudinally reciprocating

3
112/233

Tensioning

3
112/271

Starting or stopping

9
112/277

Electrically operated or controlled

135
112/276

Fluid operated or controlled

22
112/273

Thread sensing

76
112/274

With element positioning

29
112/275

Electrically operated

189
112/272

Work sensing

83
112/241

Take-ups

47
112/246

Adjustable

4
112/250

Clamp carrying

9
112/245

Needle-bar actuated

10
112/244

Presser-bar controlled

0
112/242

Pull-offs

21
112/243

Automatic control

10
112/247

Resilient

5
112/248

Rotary

16
112/249

Stationary cam

2
112/254

Tensioning

141
112/255

Intermittent

61
112/285

Thread cutting, severing or breaking

24
112/300

Electrically actuated

69
112/301

Fluid actuated

26
112/290

Hot wire type

9
112/296

Lower thread

8
112/297

Scissors type

17
112/298

Single blade cutter

28
112/299

Manual control

16
112/289

Rotary type

14
112/288

Thread chain

66
112/291

Upper and lower threads

46
112/292

Single cutter

65
112/293

Upper thread

9
112/294

Scissors type

25
112/295

Single blade cutter

18
112/287

With thread disposal by air flow

39
112/286

With thread wiping

49
112/253

Thread end clamps

41
112/302

Thread guiding or handling

154
112/278

Thread sensing

120
112/282

Waste extraction

16
112/475.01

Method of sewing

150
112/475.14

Attaching fastener

10
112/475.15

Button

14
112/475.16

Zipper

45
112/475.02

Material sensing

72
112/475.03

Workpiece edge guiding

62
112/475.08

On specified product

317
112/475.09

Garment

170
112/475.11

Headwear

12
112/475.12

Stocking (e.g., sock, hose, pantyhose, etc.)

55
112/475.13

Trousers

29
112/475.17

Stitch forming

77
112/475.24

Blind stitch forming

8
112/475.25

Buttonhole finishing or forming

37
112/475.18

Embroidery

78
112/475.21

Edging

5
112/475.19

Electronically stored pattern

207
112/475.23

Pile type

107
112/475.22

Relief

52
112/475.26

Overedge stitch forming

25
112/475.04

Workpiece manipulation other than straight line feeding

71
112/475.07

Delivering or removing workpiece to or from a sewing machine

98
112/475.06

Folding workpiece

160
112/475.05

Workpiece manipulation according to calculated data or operator produced recording

57
112/1

Miscellaneous

13
112/DIG.3

Pneumatic

32
112/400

Products

7
112/402

Sewn web or sheet

26
112/437

Apertured or open-work (e.g., buttonhole)

4
112/438

Chain stitch

22
112/413

Elastic strand or component

15
112/414

Including non-planar component

7
112/420

Fibrous or particulate layer between other layers

64
112/429

Filamentary material or strandlike tape sewn to surface

17
112/431

Around aperture (e.g., buttonhole)

3
112/432

Connecting parallel straight lines of stitching

2
112/433

Included in overedge stitching

4
112/434

Uniting contiguous components

2
112/435

Plural intersecting float threads

2
112/436

Incorporated with or held by overedge stitching

7
112/430

Interlooped floating strands or strand portions

3
112/409

Fringed

10
112/421

Including component of varying thickness

7
112/403

Including decomposable thread or component

14
112/406

Including external fastener sewn thereto

5
112/408

Button

1
112/407

Hook and/or eye

2
112/404

Including feathers, beads, or reflective material

3
112/422

Non-planar uniform-thickness material

7
112/423

Bent flange or reverse fold at edge

13
112/426

Included in seam joining contiguous components

8
112/424

Including concealed or blind stitching

4
112/425

Overedge or along offset fold

3
112/427

Pleated, tucked, or shirred

12
112/428

Plural components

7
112/412

Of strands or strand portions joined by sewing

28
112/439

Ornamental stitching (e.g., embroidery)

87
112/415

Specific strand arrangement or relationship

14
112/416

Knitted, netted, or knotted

3
112/410

Tufted or looped surface

52
112/411

With tufts or loops formed by floating strandlike portions

4
112/440

United components

80
112/441

By stitching along edge

82
112/405

With longitudinally non-coextensive super-imposed panel or sheet

11
112/418

With strip sewn in or over seam or over edge (e.g., welt or stay)

26
112/419

Channel-shaped edge binding

16
112/417

With strip, strand, or strand portion between layers or components

33
112/401

Uniplanar sectional web, sheet, or layer

7
112/2

Special machines

31
112/104

Article attaching

136
112/115

Attachments

5
112/114

Clamps

51
112/108

Eye-shank button

7
112/109

Vibrating needle

1
112/113

Feeding

101
112/110

Flat button

25
112/112

Vibrated clamp

21
112/111

Vibrated needle

3
112/105

Hook and eye

8
112/107

Carriers

1
112/106

Feeding

1
112/10

Bag sewing

36
112/21

Book sewing

12
112/22

Knotting

1
112/6

Broom sewing

0
112/65

Buttonhole

31
112/70

Clamp feeding

32
112/77

Attachments

12
112/76

Clamps

11
112/75

Gauging

3
112/72

Right line and rotary

0
112/74

Spreading

0
112/73

Vibrating needle

16
112/71

With rotatable needle bar

4
112/68

Cutting

60
112/66

Eyelet making

21
112/67

Start and stop mechanism

19
112/69

Thrum mechanism

1
112/7

Carpet sewing

12
112/8

Clamps

2
112/116

Crocheting

4
112/121

Darning

4
112/470.33

Elongated article

117
112/470.34

For attaching a belt loop

35
112/78

Embroidering

17
112/81

Hemstitch

1
112/82

Universal feed

0
112/83

Horizontal needle

14
112/88

Article attaching

3
112/89

Boring

9
112/90

Fabric shifting

9
112/91

Balancing

0
112/92

Spring

0
112/84

Pattern controlled

10
112/85

Boring

1
112/86

Fabric shifting

7
112/93

Stitch forming

0
112/94

Short thread

0
112/95

Shuttle type

2
112/96

Thread take-up

3
112/97

Thread tension

5
112/87

Stopping

0
112/80.01

Tufting (replacing subclass 79)

40
112/80.15

Dual sided

4
112/80.03

Hand implement

23
112/80.05

Having hollow or channelled needle

25
112/80.06

Having non-eyed needle

5
112/80.04

With power drive

14
112/80.16

Including hollow or channelled needle

20
112/80.17

Including non-eyed needle

2
112/80.5

Including specific loop catcher

44
112/80.51

Bill with clip or gate

26
112/80.52

Plural loop catchers having different shapes or orientations

16
112/80.53

Stationary relative to one another

18
112/80.54

Variable height loops

11
112/80.55

With loop cutting means

43
112/80.59

Cutting means stationary relative to loop catcher

3
112/80.6

Including supporting structure (e.g., knife block)

34
112/80.58

Knife pivots on loop catcher

1
112/80.57

Rotary cutter

3
112/80.56

Selective cutting means

10
112/80.4

Including specific needle supporting or manipulating means

42
112/80.44

Means to disconnect needle and drive

6
112/80.43

Means to selectively drive one of plural needles

22
112/80.41

Means to shift needle laterally of fabric feed

56
112/80.42

Means to vertically adjust stroke

15
112/80.45

Supporting structure

36
112/80.7

Including specific yarn manipulating, cutting, or treating means

44
112/80.71

Cutting or treating means

15
112/80.73

Feed roller

66
112/80.72

Feed via intermeshing slats

2
112/80.02

Rooting hair in doll or wig

4
112/80.18

With condition responsive stop motion means

12
112/80.23

With optical, electronic, or magnetic pattern program means

48
112/80.24

Having pattern drum

5
112/80.3

With specific fabric supporting, manipulating, cutting, or treating means

30
112/80.33

Fabric vertically moveable at tufting position

3
112/80.32

Means to feed fabric

17
112/80.31

Means to shift fabric laterally of feed

14
112/80.07

Yarn manipulation by fluid flow

17
112/80.08

Having hollow needle

19
112/98

Vertical needle

34
112/99

Attaching ornaments

11
112/100

Thread

12
112/101

Attachments

2
112/102

Fabric shifting

17
112/102.5

Electronic pattern controlled or programmed

383
112/103

Frames

285
112/470.19

Feather sewing machine

0
112/470.25

For making shoe sole of plant stalk material (e.g., hemp, jute, straw, etc.)

0
112/470.31

For sewing plural workpieces under tension

59
112/470.32

Differential feed of plural workpieces

23
112/470.23

For sewing same length stranded material together

5
112/470.24

Fabric tuft

0
112/64

Fringe forming

0
112/16

Glove and fur sewing

4
112/17

Dyeing feature

0
112/20

Guiding

5
112/18

Work holding and feeding

1
112/19

Clamp

1
112/470.28

Having drag clamp

19
112/470.29

Having tube end tensioner

26
112/120

Infolding

1
112/4

Jacquard card sewing

1
112/28

Leather sewing

4
112/53

Chain stitch

0
112/50

Channel guides

0
112/45

Channeling

0
112/51

Edge and crease guides

1
112/47

Feeding

1
112/48

Awl

2
112/49

Needle

8
112/41

Heating

0
112/54

Lock stitch

1
112/43

Lubricating and moistening

1
112/60

Presser devices

3
112/61

Locking

1
 

Shoe sole

 
112/39

Back gauges and rests

0
112/34

Chain stitch

2
112/35

Curved needle

3
112/31

Fair stitch

0
112/40

Guards

0
112/36

Lock stitch

1
112/37

Curved needle

0
112/38

Oscillating and rotating shuttle

4
112/32

Loop lock

1
112/29

Separating and indenting

1
112/30

Tack pulling

0
112/33

Tongue lock

1
 

Thread handling

 
112/56

Cast-offs

0
112/55

Orbital-movement loopers

0
112/58

Pull-offs

2
112/57

Take-ups

0
112/59

Tensions

2
112/42

Waxing

0
112/52

Welt guides

1
112/46

Welt handling

0
112/44

Welt slitting and beveling

0
112/62

Work supports

11
112/25

Looped fabrics

10
112/26

Preparing

0
112/27

Work holding and feeding

16
112/2.1

Mattress sewing

66
112/2.2

Tufting

5
112/470.26

Necktie

9
112/470.01

Pattern controlled or programmed

174
112/470.03

Material sensing and subsequent feed adjustment

101
112/470.04

Operator controlled data entry means

285
112/470.06

Positionable work carrier under electronic pattern or program control

275
112/470.08

For stocking

19
112/470.07

For workpiece edge sewing

152
112/470.09

Positionable work carrier under mechanical pattern or program control

44
112/470.11

Spiral pattern

1
112/470.05

With means for performing a diverse operation

97
112/470.02

With stitch counter

72
112/470.14

Positionable work carrier

111
112/470.18

Driving mechanism for work carrier

139
112/470.16

For folding the work

76
112/470.17

For stitching in a circle

13
112/470.15

For stocking

86
112/117

Quilting

107
112/118

Fabric shifting

29
112/119

Frames

32
112/9

Rug sewing

3
112/11

Sewing filled sacks

9
112/12

Sewing hats

0
112/15

Guides and pages

0
112/13

Work supports

0
112/14

Rotary

1
112/470.35

Spherical object

4
112/23

Straw braid

0
112/24

Straw sewing

0
112/470.21

Stringer

3
112/470.22

With knotter

1
112/470.12

Traveling sewing machine

55
112/470.13

Multidirectional or rotational

80
112/63

Tube forming

52
112/470.27

Upholstery

26
112/470.36

With diverse downstream operation

89
112/154

Stitch forming

11
112/176

Blind stitch

14
112/177

Overseaming

5
112/178

Work handling

19
112/180

Bobbin ejector

17
112/197

Chain or double chain

33
112/200

Four-motion looper

27
112/198

Hooked needle

3
112/199

Oscillating or reciprocating looper

91
112/201

Rotating looper

9
112/202

Vertical-axis looper

7
112/168

Convertible

59
112/179

False hemstitch

1
112/303

Feeding work material

37
112/304

By endless conveyor

116
112/311

Clamp type

82
112/320

Engaging upper side of work material

100
112/321

Needle acts as feed means

21
112/324

Feed dog structure

24
112/323

Four motion feed

58
112/314

Having adjustment feature

63
112/319

Intermittent feed

11
112/317

Reversible feed direction

40
112/318

Rotary feed

57
112/315

Stitch length

84
112/316

Reversible feed direction

29
112/308

Having curvate feature

84
112/309

Capable of feeding through 360 degrees

48
112/306

Having means to align work

120
112/310

Needle and helper

26
112/312

Plural differential feed means

15
112/313

Having adjustment feature

46
112/322

Rotary feed

87
112/305

Under tension

65
112/307

Work of indeterminate length

19
112/169

Hand implements

141
112/156

Knot tying

5
112/155

Multiple machines

110
112/163

Multiple needle

106
112/167

Adjustable

11
112/165

Chain and double chain

45
112/166

Multiple looper

25
112/164

Shuttle type

3
112/162

Overseaming

79
112/181

Revolving-hook type

31
112/183

Reciprocating bobbin

1
112/182

Timing

7
112/184

Vertical axis

77
112/173

Running stitch

3
112/174

Crimping

4
112/175

Stationary needle

1
112/217

Seam finishing

12
112/170

Short thread

2
112/171

Double-pointed needle

8
112/172

Overedge

0
112/185

Shuttle type

12
112/188

Bobbin latch

3
112/196

Holders and raceways

1
112/187

Loop spreaders

7
112/192

Oscillatory

8
112/193

Vertical axis

2
112/194

Reciprocatory

1
112/195

Longitudinal

2
112/189

Rotary

1
112/190

Timing

3
112/191

Vertical axis

2
112/186

Shuttle replenishing

28
112/157

Zigzag

10
112/161

Purling

1
112/160

Surging

3
112/443

Vibrating needle

65
112/451

Backstitch

17
112/450

Basting stitch or skipping stitch

9
112/446

Closed pattern sewing (e.g., buttonhole)

14
112/448

Having cam actuation of needle or material feed

16
112/449

And means to change, without operator intervention, stitch width, or material feed

15
112/447

Including electronic memory

43
112/459

Having cam actuation of needle or material feed

21
112/461

And specified material feed

20
112/462

And fine adjustment of stitch width or material feed

18
112/463

And plural, selectively used cams

23
112/460

Including detachable cam

3
112/464

Including fine adjustment of stitch width

11
112/465

Including plural, selectively used cams

31
112/466

And plural followers

21
112/453

Having electronic memory

122
112/455

Having computer control of linkage intermediate motor and needle or material feed

15
112/456

Including means to calculate needle or material feed parameters

72
112/458

Including pattern selection means

145
112/457

Including programmable or detachable memory

62
112/454

Plural diverse patterns in series

68
112/444

Having indicator

38
112/445

And specified electronic memory

153
112/452

Having multiple needles

7
112/467

Having specified looptaker structure

18
112/159

Shifting looper

4
112/DIG.1

Suction thread cutting

28
112/217.1

With tables or stands

47
112/217.2

For plural sewing units

7
112/217.3

With power control or clutch

7
112/217.4

Conversion of foot-treadle driven machine

5
 

Work manipulating

 
112/131

Creasers and markers

13
112/136

Guides

31
112/137

Binders

14
112/138

Strip reversing

8
112/140

Blind stitch

7
112/139

Braiders and corders

12
112/153

Edge

214
112/148

Fabric holding

25
112/147

Folding

152
112/149

Fringe turning

1
112/141

Hemmers

91
112/143

Adjustable

21
112/142

Lap seam

16
112/151

Presser bar attached

20
112/150

Pressure

12
112/152

Strip

99
112/144

Tucking

13
112/145

Box plait

1
112/146

Spacing

11
112/132

Rufflers and gatherers

20
112/134

Attachments

12
112/135

Vibrating blade

5
112/133

Smocking

1
112/130

Severing

100
112/122

Trimmers

35
112/129

Cutters

31
112/122.1

Having specified stitching mechanism

6
112/122.2

Pinker

0
112/126

Laterally adjustable

6
112/125

Manual control

5
112/128

Needle-bar operated

14
112/127

Ply separating

5
112/122.3

Rotary cutter

7
112/122.4

Pinker

0
 
 
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