H01J 5/565
Bases for circular lamps
Official title: {Bases for circular lamps}
H01J5/565 (Bases for circular lamps) appears on 2 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 6 Dec 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Adapter for annular fluorescent lamps having an integrated ballast and starting arrangement6 Dec 2005US 6,971,763 B2Patent-Treuhand-Gesellschaft Fur Elektrisch Gluhlampen Mbh
- Low-pressure discharge lamp with base and mount4 Aug 1998US 5,789,849 APatent-Treuhand-Gesellschaft fur elektrische Gluehlampen mbH
Most cited
By later US patents