H01J 29/487
Replacing parts of the gun
Official title: {Replacing parts of the gun; Relative adjustment of the electrodes (H01J29/481 and H01J29/482 take precedence; vacuum locks H01J29/865)}
H01J29/487 (Replacing parts of the gun) appears on 3 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 3
- Published applications
- 2
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 9 Mar 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Adjusting method for cathode position of an electron gun and an electron gun for a cathode ray tube9 Mar 2004US 6,703,777 B2Sony Corporation
- Camera tube and method of manufacturing same21 Feb 1984US 4,432,738 AU. S. Philips Corporation
- Electron gun cathode support5 Jan 1982US 4,309,638 AU. S. Philips Corporation
Most cited
By later US patents
- Electron gun cathode support3US 4,309,638 AU. S. Philips Corporation · 1982
- Camera tube and method of manufacturing same1US 4,432,738 AU. S. Philips Corporation · 1984
- Adjusting method for cathode position of an electron gun and an electron gun for a cathode ray tube1US 6,703,777 B2Sony Corporation · 2004