Pressure-sensitive duplicating stencil
US4180621A · kind A · utility
2Cited by
14References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1973 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | Dec 3, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Pressure-sensitive duplicating stencils comprise an impregnated sheet of stencil tissue strippably attached by a laminating coating to a backing sheet, which is removed during use of the imaged stencil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.