G03B 23/048
With horizontally sliding mechanism
Official title: {with horizontally sliding mechanism}
G03B23/048 (With horizontally sliding mechanism) appears on 8 US grants and 0 published applications in this corpus.
Search patents in G03B- Granted patents
- 8
- Published applications
- 0
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 4 Dec 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Slide projector4 Dec 1990US 4,974,959 AProduction Arts Lighting Inc.
- Slide magazine projector5 Jan 1982US 4,309,087 AAgfa-Gevaert
- Slide projector apparatus22 Apr 1980US 4,199,234 A
- Transparency projector comprising a plurality of optical systems2 Oct 1979US 4,169,668 AAgence Nationale de Valorisation de la Recherche (ANVAR)
- Projector with controls for the slide changer19 Dec 1978US 4,130,353 AErnst Leitz Wetzlar GmbH
No published applications in this class yet.
Most cited
By later US patents
- Slide projector and indexing mechanism for alternate slide trays of different configurations3US 3,953,119 AGAF Corporation · 1976
- Projector with controls for the slide changer2US 4,130,353 AErnst Leitz Wetzlar GmbH · 1978
- Transparency projector comprising a plurality of optical systems2US 4,169,668 AAgence Nationale de Valorisation de la Recherche (ANVAR) · 1979
- Slide projector2US 4,974,959 AProduction Arts Lighting Inc. · 1990
- Slide projector for both magazine and single slide projection1US 4,106,867 ARollei-Werke Franke & Heidecke · 1978