G03B 27/66
Specially adapted for holding half-tone screens
Official title: specially adapted for holding half-tone screens
G03B27/66 (Specially adapted for holding half-tone screens) appears on 3 US grants and 0 published applications in this corpus.
Search patents in G03B- Granted patents
- 3
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 8 Sep 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of controlling exposure of process camera8 Sep 1992US 5,146,268 ADainippon Screen Mfg.Co., Ltd.
- Extremely high speed halftone screen positioning assembly21 Mar 1978US 4,080,068 AItek Corporation
- Device for applying a flexible halftone screen over a camera vacuum platen23 Aug 1977US 4,043,663 AItek Corporation
No published applications in this class yet.
Most cited
By later US patents
- Extremely high speed halftone screen positioning assembly8US 4,080,068 AItek Corporation · 1978
- Device for applying a flexible halftone screen over a camera vacuum platen3US 4,043,663 AItek Corporation · 1977
- Method of controlling exposure of process camera1US 5,146,268 ADainippon Screen Mfg.Co., Ltd. · 1992