G03B 2217/261
Details of spools
G03B2217/261 (Details of spools) appears on 148 US grants and 1 published applications in this corpus.
Search patents in G03B- Granted patents
- 148
- Published applications
- 1
- Assignees
- 16
- Inventors
- 180
- Latest grant
- 7 Sep 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 20 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Film magazine7 Sep 2004US 6,786,656 B2Fuji Photo Optical Co., Ltd.
- Apparatus and method for centering a spool or similar object24 Jul 2001US 6,264,134 B1Eastman Kodak Company
- Photo film take-up spool and shaft27 Feb 2001US 6,195,506 B1Fuji Photo Film Co., Ltd.
- Photographic roll film19 Dec 2000US 6,162,594 AFuji Photo Film Co., Ltd.
- Roll photo film having seal tape8 Aug 2000US 6,100,017 AFuji Photo Film Co., Ltd.
Most cited
By later US patents
- Single use photographic film package and camera153US 5,452,033 AEastman Kodak Company · 1995
- Film cassette67US 4,846,418 AEastman Kodak Company · 1989
- Camera with interlock for cover piece and cartridge light shield62US 5,231,438 AEastman Kodak Company · 1993
- Bar-coded film spool45US 5,296,887 AEastman Kodak Company · 1994
- Film-thrusting cassette43US 5,031,852 AEastman Kodak Company · 1991