United States Patent 2969732
US Patent References:
Manifolding, duplicating, and the like
- - 1371157
Stencil sheet
- - 1830980
Stencil screen
- - 2064764
Process of manufacturing a photographic stencil
- - 2131225
Photographic and printing media
- - 2184288
Manifolding, duplicating, and the like
- - 1371157
Stencil sheet
- - 1830980
Stencil screen
- - 2064764
Process of manufacturing a photographic stencil
- - 2131225
Photographic and printing media
- - 2184288
Publication Date:
01/31/1961
View Patent Images:
Export Citation:
Primary Class:
Other Classes:
430/496, 204/279, 101/128.210, 430/494, 430/502, 430/394, 430/327
International Classes:
G03F7/12
US Patent References:
| 2335021 | Film printing screen and a method of manufacturing it | |||
| 2370874 | Stencil screen and method of making the same | |||
| 2405508 | Electrolytic stencil | |||
| 2500877 | Photographic stencil screen and method of making the same | |||
| 2557352 | Printing stencil | |||
| 2610120 | Photosensitization of polymeric cinnamic acid esters | |||
| 2693426 | Method of making stencil sheets and resultant article | |||
| 2732301 |
Foreign References:
| GB633293A |