G03B 27/6214
Copy boards
Official title: {Copy boards}
G03B27/6214 (Copy boards) appears on 16 US grants and 0 published applications in this corpus.
Search patents in G03B- Granted patents
- 16
- Published applications
- 0
- Assignees
- 8
- Inventors
- 30
- Latest grant
- 14 Jul 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Book support14 Jul 1998US 5,779,213 A
- Method and apparatus for locating copy on a camera subject holder30 Jul 1991US 5,036,355 A
- Projection unit for a light permeable original in a copying machine26 Mar 1991US 5,003,344 ASharp Kabushiki Kaisha
- Electrostatic holder23 Aug 1988US 4,766,515 AAgfa-Gevaert
- Copying machine13 Mar 1984US 4,436,402 AKonishiroku Photo Industry Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Electrostatic holder15US 4,766,515 AAgfa-Gevaert · 1988
- Optical system for providing visual aid for proper magnification selection13US 4,244,649 AXerox Corporation · 1981
- Microfilm copyboard with document index12US 3,981,582 ABell & Howell Company · 1976
- Method of eliminating black banding occurring in the process of recording compound information12US 4,378,156 AKonishiroku Photo Industry Co., Ltd. · 1983
- Copying machine7US 4,436,402 AKonishiroku Photo Industry Co., Ltd. · 1984