G03B 23/044
Whereby the pictures are returned to the same magazines after projection
Official title: {whereby the pictures are returned to the same magazines after projection}
G03B23/044 (Whereby the pictures are returned to the same magazines after projection) appears on 7 US grants and 0 published applications in this corpus.
Search patents in G03B- Granted patents
- 7
- Published applications
- 0
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 11 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Projector11 Dec 2018US D835,703 S1LG Electronics Inc. · Design
- Slide magazine1 Feb 1994US 5,283,603 Areflecta GmbH foto film projektion
- Slide magazine11 May 1993US 5,210,556 Areflecta GmbH foto film projektion
- Slide projector and slide tray22 Jul 1986US 4,601,559 A
- Mechanism for transporting a slide from a long magazine into the optical channel of a slide projector10 May 1983US 4,382,664 AKindermann & Co. GmbH
No published applications in this class yet.
Most cited
By later US patents
- Slide magazine14US 5,283,603 Areflecta GmbH foto film projektion · 1994
- Picture changer for large-scale picture projector6US 4,264,158 A1981
- Magazine for slides for the simultaneous projection of pictures and reproduction of sound4US 3,973,842 APronton-Werk Alfred Gauthier GmbH · 1976
- Projector4US D835,703 S1LG Electronics Inc. · 2018 · Design
- Mechanism for transporting a slide from a long magazine into the optical channel of a slide projector3US 4,382,664 AKindermann & Co. GmbH · 1983