G03B 23/042
Whereby the pictures are not returned to the same magazines after projection
Official title: {whereby the pictures are not returned to the same magazines after projection}
G03B23/042 (Whereby the pictures are not returned to the same magazines after projection) appears on 12 US grants and 1 published applications in this corpus.
Search patents in G03B- Granted patents
- 12
- Published applications
- 1
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 19 Jul 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Indoor-outdoor projector19 Jul 2016US 9,395,608 B2Gemmy Industries Corporation
- Fixed image projecting apparatus11 Jun 2002US 6,402,326 B1
- Manually-operated tray assembly for dispensing and receiving overhead projector transparencies12 Dec 1995US 5,475,453 A
- Manual cassette system for overhead projection transparencies15 Nov 1994US 5,365,289 A
- Film slide feeder3 Aug 1993US 5,233,376 A
Most cited
By later US patents
- Indoor-outdoor projector18US 9,395,608 B2Gemmy Industries Corporation · 2016
- Manual cassette system for overhead projection transparencies9US 5,198,846 A1993
- Slide projector with stationary slide magazines and automatic slide changer4US 4,368,964 AVictor Hassel Blad Aktiebilag · 1983
- Film slide feeder4US 5,233,376 A1993
- Sheet feeding process3US 4,932,644 AThe Mead Corporation · 1990