B41J 7/68
With means for selectively closing an electric circuit for type presentation
Official title: with means for selectively closing an electric circuit for type presentation
B41J7/68 (With means for selectively closing an electric circuit for type presentation) appears on 5 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 5
- Published applications
- 0
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 28 Apr 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bounce dampening system for switch actuators28 Apr 1981US 4,264,225 AInternational Business Machines Corporation
- Keyboard controlled electronic embossing machine27 Sep 1977US 4,050,565 AAdrema Pitney Bowes GmbH
- High speed wheel printer and method of operation30 Aug 1977US 4,044,880 AInternational Business Machines Corporation
- Electronic embossing machine28 Jun 1977US 4,031,993 APitney Bowes Inc.
- Keyboard switch system15 Jun 1976US 3,964,062 ASignal Laboratories, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Keyboard switch system15US 3,964,062 ASignal Laboratories, Inc. · 1976
- High speed wheel printer and method of operation10US 4,044,880 AInternational Business Machines Corporation · 1977
- Electronic embossing machine8US 4,031,993 APitney Bowes Inc. · 1977
- Keyboard controlled electronic embossing machine4US 4,050,565 AAdrema Pitney Bowes GmbH · 1977
- Bounce dampening system for switch actuators1US 4,264,225 AInternational Business Machines Corporation · 1981