Set for producing a colored pattern
US4960749A · kind A · utility
8Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1988 |
| Grant date | Oct 2, 1990 |
| Priority date | — |
| Expiry date | Jun 28, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M1/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a method of making a concavo-convex pattern such as a fingerprint on a given sheet without soiling the pattern with color, and a set for making the pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.