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Class Information
Number: 355
Name: Photocopying >
Description: GENERAL STATEMENT OF THE CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
355/78

Contact printing

71
355/82

Book page copying

28
355/85

Exposing on sensitized printing press plate or cylinder (e.g., photocomposers)

84
355/86

Step and repeat

32
355/87

Fluid pressure

26
355/91

Fluid pressure retention of carrier and receiver in exposure position

149
355/92

Air-inflated cushion

13
355/93

Pivoted frame

25
355/94

With pump

25
355/122

Frames

23
355/123

Strip film

12
355/127

Transfer of plural images

10
355/125

With diffusing or masking (e.g., vignetting)

67
355/126

Adjustable parameters

18
355/128

With platen

11
355/131

Attached platen

1
355/129

Divided platen

4
355/130

With closing spring bias

3
355/124

With shutters

1
355/113

Light boxes

35
355/117

Cylindrical or curved exposure station

16
355/118

Divided or flexible platen

9
355/116

Foot-operated platen or shutter

1
355/119

Indirect illumination

3
355/120

Platen-controlled illumination circuit

9
355/114

Transfer of plural images

7
355/115

With exposure timing

7
355/121

With shutter

5
355/83

Light monitoring exposure control

64
355/80

Localized contrast modification (e.g., dodging or fading)

18
355/81

With scanning

17
355/97

Machine (i.e., having at least partly automatic feed)

44
355/98

Sound track printing

5
355/104

With cylindrical or curved exposure station structure

45
355/108

Continuous running

6
355/111

Indeterminate-length carrier and receiver

5
355/109

Repeated printing from a carrier

9
355/110

Rotating exposure station cylinder

29
355/105

Light lowered into vertical cylinder

1
355/106

With further developing processing

54
355/107

With intermediate printing material

6
355/99

With flat exposure station structure

72
355/103

Continuous running

14
355/102

Repeated printing from a carrier

15
355/100

With further developing processing

112
355/101

With shutters

10
355/132

Methods

114
355/88

Multicolor printing

75
355/89

Plural exposure stations or plural machines

26
355/90

With plural webs of indeterminate length (e.g., motion picture film)

3
355/112

Print counting and marking

21
355/95

Step and repeat

37
355/96

Strip receiver

1
355/79

Superimposed carriers (e.g., montage or combination printing)

43
355/84

With scanning

72
355/2

Hologram, seismogram, graph or scale copying

18
355/1

Including fiber optics

258
355/133

Miscellaneous

174
355/18

Projection printing and copying cameras

199
355/21

Collapsible or portable

39
355/19

Combined with or convertible to a contact printer

20
355/23

Copying both sides of original

158
355/25

Book page copying

141
355/24

Duplex

251
355/31

Copying sound record

17
355/75

Detailed holder for original

1393
355/76

Including vacuum, fluid or spring pressure

279
355/72

Detailed holder for photosensitive paper

1497
355/74

Including adjustable or selective masking frame

189
355/73

Including vacuum or fluid pressure

248
355/52

Distortion introducing or rectifying

507
355/55

Focus or magnification control

1240
355/56

Automatic or semiautomatic focusing when varying image size

110
355/58

Including a cam or a screw with nonuniform pitch

56
355/59

And an indicator or scale

16
355/57

Reflector between original and photo-sensitive paper

191
355/61

Including indicator or scale

63
355/62

Vertical optical path

20
355/60

Reflector between original and photo-sensitive paper

128
355/63

Vertical optical path

71
355/40

Identifying, composing, or selecting

932
355/42

Including electromagnet

23
355/41

Including photocell

357
355/43

Including reflector between original and photosensitive paper

215
355/67

Illumination systems or details

2501
355/69

Electricity to lamp controlled

459
355/68

Including photocell or phototube

500
355/71

Including shutter, diaphragm, polarizer or filter

1346
355/70

Plural lamps

210
355/64

Image transferred from individual documents to film strip

167
355/65

Reflector between original and photo-sensitive paper

52
355/47

Image transferred to or from curved surface

107
355/48

Original moves continuously

30
355/49

Reflector between original and photo-sensitive paper

52
355/77

Methods

2292
355/32

Multicolor picture

241
355/33

Lenticular film

26
355/34

Including detailed diaphragm

7
355/35

Regulating light intensity or exposure time

288
355/36

Including electromagnet

12
355/38

Including

366
355/37

Plural lamps

70
355/50

Original moves continuously

256
355/51

Reflector between original and photo-sensitive paper

187
355/26

Photographing on both sides of photo-sensitive paper

116
355/46

Plural

177
355/54

Producing plural rows of pictures on photosensitive paper

209
355/66

Reflector between original and photo-sensitive paper

259
355/53

Step and repeat

4598
355/22

Stereoscopic

140
355/39

Tilting

91
355/20

With cathode ray tube for light source

123
355/27

With developing

644
355/28

And film severing

140
355/29

With film severing

152
355/44

With focusing or projection screen

61
355/45

Reflector in optical path

221
355/30

With temperature or foreign particle control

1489
355/400

Using microcapsules

54
355/401

Condition responsive control

35
355/402

Exposure

46
355/404

Of selected area or border

15
355/403

Using mask original

27
355/405

Heating (e.g., thermal fixing)

56
355/406

Pressure developing

62
355/407

Sheet feeding

77
355/408

Having document handling detection

27
 
 
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