B41L 19/02
Duplicating or printing apparatus or machines for office or other commercial purposes
Official title: having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress and lithographic processes selectively or in combination (in general B41F11/00)
B41L19/02 (Duplicating or printing apparatus or machines for office or other commercial purposes) appears on 3 US grants and 0 published applications in this corpus.
Search patents in B41L- Granted patents
- 3
- Published applications
- 0
- Assignees
- 3
- Inventors
- 3
- Latest grant
- 26 Jun 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for adapting offset duplicator machines to accomodate numbering, printing, scoring, perforating and like device26 Jun 1990US 4,936,214 AInnovative Graphic Industries
- Duplicating system6 Jul 1976US 3,967,818 AXerox Corporation
- Coaxially mounted stencil drum and rubber mat roller segments6 Apr 1976US 3,948,169 AWeber Marking Systems, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for adapting offset duplicator machines to accomodate numbering, printing, scoring, perforating and like device8US 4,936,214 AInnovative Graphic Industries · 1990
- Duplicating system6US 3,967,818 AXerox Corporation · 1976
- Coaxially mounted stencil drum and rubber mat roller segments3US 3,948,169 AWeber Marking Systems, Inc. · 1976