H01J 2201/281
Cage-like construction
H01J2201/281 (Cage-like construction) appears on 2 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 2
- Published applications
- 1
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 26 May 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
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