H01H 2233/022
With limited freedom
Official title: with limited freedom
H01H2233/022 (With limited freedom) appears on 18 US grants and 1 published applications in this corpus.
Search patents in H01H- Granted patents
- 18
- Published applications
- 1
- Assignees
- 15
- Inventors
- 24
- Latest grant
- 28 Aug 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Push button switch for electric device28 Aug 2012US 8,253,050 B2Funai Electric Co., Ltd.
- Deformable membrane keypad assembly for public telephones29 Aug 1989US 4,862,499 APhillips & Brooks, Inc.
- Electrical switch, in particular for the control of cap outfits and fittings28 Mar 1989US 4,816,961 ADav
- Capacitance switching device for keyboard5 Apr 1988US 4,736,076 ABrother Kogyo Kabushiki Kaisha
- Vandal-resistant telephone keypad switch29 Dec 1987US 4,716,262 A
Most cited
By later US patents
- Keyboard65US 4,527,030 APreh Elektrofeinmechanische Werke Jakob Preh Nachf. GmbH & Co. · 1985
- Multi-contact push-button switch and plural embodiment for keyboard switch assembly55US 4,029,916 ANorthern Electric Company Limited · 1977
- Keyboard switch assembly34US 4,439,646 ASociete de Telecommunications Electronique Aeronautique et Maritime T.E.A.M. · 1984
- Vandal-resistant telephone keypad switch33US 4,716,262 A1987
- Push button switch32US 3,950,627 ACanon Kabushiki Kaisha · 1976