G03B 1/64
By means which as certain the radius of the film coiled on
Official title: by means which as certain the radius of the film coiled on a spool
G03B1/64 (By means which as certain the radius of the film coiled on) appears on 7 US grants and 0 published applications in this corpus.
Search patents in G03B- Granted patents
- 7
- Published applications
- 0
- Assignees
- 7
- Inventors
- 12
- Latest grant
- 15 Sep 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 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
- Reloadable canister with replaceable film spool15 Sep 1998US 5,809,358 AAnacomp, Inc.
- Roll film camera17 Apr 1990US 4,918,485 AMinolta Camera Kabushiki Kaisha
- Film advance mechanism8 Dec 1987US 4,711,545 AErnst Leitz Wetzlar GmbH
- Film-on-spool sensor for preventing initialization of frame counter31 Mar 1987US 4,653,886 AEastman Kodak Company
- Film feeding device6 Mar 1984US 4,435,056 AOlympus Optical Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Film feed detecting device of a camera15US 4,310,233 ANippon Kogaku K. K. · 1982
- Film-on-spool sensor for preventing initialization of frame counter11US 4,653,886 AEastman Kodak Company · 1987
- Film sensing apparatus8US 4,040,043 AAMF Incorporated · 1977
- Reloadable canister with replaceable film spool8US 5,809,358 AAnacomp, Inc. · 1998
- Roll film camera4US 4,918,485 AMinolta Camera Kabushiki Kaisha · 1990