Photocopying Patents (Class 355)
- Combined with or convertible to a contact printer (Class 355/19)
- With cathode ray tube for light source (Class 355/20)
- Collapsible or portable (Class 355/21)
- Stereoscopic (Class 355/22)
- Copying both sides of original (Class 355/23)
- Photographing on both sides of photo-sensitive paper (Class 355/26)
- With developing (Class 355/27)
- With film severing (Class 355/29)
- With temperature or foreign particle control (Class 355/30)
- Copying sound record (Class 355/31)
- Multicolor picture (Class 355/32)
- Tilting (Class 355/39)
- Identifying, composing, or selecting (Class 355/40)
- With focusing or projection screen (Class 355/44)
- Plural (Class 355/46)
- Image transferred to or from curved surface (Class 355/47)
- Original moves continuously (Class 355/50)
- Distortion introducing or rectifying (Class 355/52)
- Step and repeat (Class 355/53)
- Producing plural rows of pictures on photosensitive paper (Class 355/54)
- Focus or magnification control (Class 355/55)
- Image transferred from individual documents to film strip (Class 355/64)
- Reflector between original and photo-sensitive paper (Class 355/66)
- Illumination systems or details (Class 355/67)
- Detailed holder for photosensitive paper (Class 355/72)
- Detailed holder for original (Class 355/75)
- Methods (Class 355/77)
- Superimposed carriers (e.g., montage or combination printing) (Class 355/79)
- Localized contrast modification (e.g., dodging or fading) (Class 355/80)
- Book page copying (Class 355/82)
- Light monitoring exposure control (Class 355/83)
- With scanning (Class 355/84)
- Exposing on sensitized printing press plate or cylinder (e.g., photocomposers) (Class 355/85)
- Multicolor printing (Class 355/88)
- Plural exposure stations or plural machines (Class 355/89)
- Fluid pressure retention of carrier and receiver in exposure position (Class 355/91)
- Step and repeat (Class 355/95)
- Machine (i.e., having at least partly automatic feed) (Class 355/97)
- Print counting and marking (Class 355/112)
- Light boxes (Class 355/113)
- Frames (Class 355/122)
- Methods (Class 355/132)
