US Patent Class 355
PHOTOCOPYING



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Current as of: June, 1999
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Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services

  DF  CLASS NOTES
1  DF  INCLUDING FIBER OPTICS
2  DF  HOLOGRAM, SEISMOGRAM, GRAPH OR SCALE COPYING
400  DF  USING MICROCAPSULES
401  DF  .~ Condition responsive control
402  DF  .~ Exposure
403  DF  .~.~ Using mask original
404  DF  .~.~ Of selected area or border
405  DF  .~ Heating (e.g., thermal fixing)
406  DF  .~ Pressure developing
407  DF  .~ Sheet feeding
408  DF  .~.~ Having document handling detection
18  DF  PROJECTION PRINTING AND COPYING CAMERAS
19  DF  .~ Combined with or convertible to a contact printer
20  DF  .~ With cathode ray tube for light source
21  DF  .~ Collapsible or portable
22  DF  .~ Stereoscopic
23  DF  .~ Copying both sides of original
24  DF  .~.~ Duplex
25  DF  .~.~ Book page copying
26  DF  .~ Photographing on both sides of photo-sensitive paper
27  DF  .~ With developing
28  DF  .~.~ And film severing
29  DF  .~ With film severing
30  DF  .~ With temperature or foreign particle control
31  DF  .~ Copying sound record
32  DF  .~ Multicolor picture
33  DF  .~.~ Lenticular film
34  DF  .~.~.~ Including detailed diaphragm
35  DF  .~.~ Regulating light intensity or exposure time
36  DF  .~.~.~ Including electromagnet
37  DF  .~.~.~ Plural lamps
38  DF  .~.~.~ Including
39  DF  .~ Tilting
40  DF  .~ Identifying, composing, or selecting
41  DF  .~.~ Including photocell
42  DF  .~.~ Including electromagnet
43  DF  .~.~ Including reflector between original and photosensitive paper
44  DF  .~ With focusing or projection screen
45  DF  .~.~ Reflector in optical path
46  DF  .~ Plural
47  DF  .~ Image transferred to or from curved surface
48  DF  .~.~ Original moves continuously
49  DF  .~.~.~ Reflector between original and photo-sensitive paper
50  DF  .~ Original moves continuously
51  DF  .~.~ Reflector between original and photo-sensitive paper
52  DF  .~ Distortion introducing or rectifying
53  DF  .~ Step and repeat
54  DF  .~ Producing plural rows of pictures on photosensitive paper
55  DF  .~ Focus or magnification control
56  DF  .~.~ Automatic or semiautomatic focusing when varying image size
57  DF  .~.~.~ Reflector between original and photo-sensitive paper
58  DF  .~.~.~ Including a cam or a screw with nonuniform pitch
59  DF  .~.~.~.~ And an indicator or scale
60  DF  .~.~ Reflector between original and photo-sensitive paper
61  DF  .~.~ Including indicator or scale
62  DF  .~.~.~ Vertical optical path
63  DF  .~.~ Vertical optical path
64  DF  .~ Image transferred from individual documents to film strip
65  DF  .~.~ Reflector between original and photo-sensitive paper
66  DF  .~ Reflector between original and photo-sensitive paper
67  DF  .~ Illumination systems or details
68  DF  .~.~ Including photocell or phototube
69  DF  .~.~ Electricity to lamp controlled
70  DF  .~.~ Plural lamps
71  DF  .~.~ Including shutter, diaphragm, polarizer or filter
72  DF  .~ Detailed holder for photosensitive paper
73  DF  .~.~ Including vacuum or fluid pressure
74  DF  .~.~ Including adjustable or selective masking frame
75  DF  .~ Detailed holder for original
76  DF  .~.~ Including vacuum, fluid or spring pressure
77  DF  .~ Methods
78  DF  CONTACT PRINTING
79  DF  .~ Superimposed carriers (e.g., montage or combination printing)
80  DF  .~ Localized contrast modification (e.g., dodging or fading)
81  DF  .~.~ With scanning
82  DF  .~ Book page copying
83  DF  .~ Light monitoring exposure control
84  DF  .~ With scanning
85  DF  .~ Exposing on sensitized printing press plate or cylinder (e.g., photocomposers)
86  DF  .~.~ Step and repeat
87  DF  .~.~.~ Fluid pressure
88  DF  .~ Multicolor printing
89  DF  .~ Plural exposure stations or plural machines
90  DF  .~.~ With plural webs of indeterminate length (e.g., motion picture film)
91  DF  .~ Fluid pressure retention of carrier and receiver in exposure position
92  DF  .~.~ Air-inflated cushion
93  DF  .~.~ Pivoted frame
94  DF  .~.~ With pump
95  DF  .~ Step and repeat
96  DF  .~.~ Strip receiver
97  DF  .~ Machine (i.e., having at least partly automatic feed)
98  DF  .~.~ Sound track printing
99  DF  .~.~ With flat exposure station structure
100  DF  .~.~.~ With further developing processing
101  DF  .~.~.~ With shutters
102  DF  .~.~.~ Repeated printing from a carrier
103  DF  .~.~.~ Continuous running
104  DF  .~.~ With cylindrical or curved exposure station structure
105  DF  .~.~.~ Light lowered into vertical cylinder
106  DF  .~.~.~ With further developing processing
107  DF  .~.~.~.~ With intermediate printing material
108  DF  .~.~.~ Continuous running
109  DF  .~.~.~.~ Repeated printing from a carrier
110  DF  .~.~.~.~ Rotating exposure station cylinder
111  DF  .~.~.~.~ Indeterminate-length carrier and receiver
112  DF  .~ Print counting and marking
113  DF  .~ Light boxes
114  DF  .~.~ Transfer of plural images
115  DF  .~.~ With exposure timing
116  DF  .~.~ Foot-operated platen or shutter
117  DF  .~.~ Cylindrical or curved exposure station
118  DF  .~.~ Divided or flexible platen
119  DF  .~.~ Indirect illumination
120  DF  .~.~ Platen-controlled illumination circuit
121  DF  .~.~ With shutter
122  DF  .~ Frames
123  DF  .~.~ Strip film
124  DF  .~.~ With shutters
125  DF  .~.~ With diffusing or masking (e.g., vignetting)
126  DF  .~.~.~ Adjustable parameters
127  DF  .~.~ Transfer of plural images
128  DF  .~.~ With platen
129  DF  .~.~.~ Divided platen
130  DF  .~.~.~.~ With closing spring bias
131  DF  .~.~.~ Attached platen
132  DF  .~ Methods
133  DF  MISCELLANEOUS