G03B 23/14
Carriers operable to move pictures into, and out of, the projection or
Official title: Carriers operable to move pictures into, and out of, the projection or viewing position and carrying one or two pictures only in a removable manner (G03B23/18 takes precedence){also other devices not provided with a stock, e.g. chutes}
G03B23/14 (Carriers operable to move pictures into, and out of, the projection or) appears on 9 US grants and 4 published applications in this corpus.
Search patents in G03B- Granted patents
- 9
- Published applications
- 4
- Assignees
- 5
- Inventors
- 19
- Latest grant
- 15 Dec 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Precision film input gate15 Dec 1992US 5,172,279 AGrumman Aerospace Corporation
- Slide projector and slide tray22 Jul 1986US 4,601,559 A
- Gravity-feed rotary tray slide projector29 Sep 1981US 4,291,955 A
- Apparatus for viewing and sorting photographic slide transparencies10 Feb 1981US 4,249,329 A
- Projection mask storage and carrier system3 Feb 1981US 4,248,508 AThe Perkin-Elmer Corporation
Most cited
By later US patents
- Projection mask storage and carrier system7US 4,248,508 AThe Perkin-Elmer Corporation · 1981
- Apparatus for viewing and sorting photographic slide transparencies6US 4,249,329 A1981
- Gravity-feed rotary tray slide projector4US 4,232,953 A1980
- Gravity-feed rotary tray slide projector3US 4,291,955 A1981
- Precision film input gate2US 5,172,279 AGrumman Aerospace Corporation · 1992