B41J 5/18
Locks
B41J5/18 (Locks) appears on 7 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 7
- Published applications
- 0
- Assignees
- 5
- Inventors
- 10
- Latest grant
- 5 Feb 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Keyboard spacer5 Feb 1985US 4,497,987 ASweda International, Inc.
- Case shift and lock input mechanism including a shift control switch4 Oct 1983US 4,407,596 ASCM Corporation
- Shift lock and position indicating torsion spring activated key switch7 Sep 1982US 4,348,122 A
- Secretarial shift mechanism for an electric keyboard13 Oct 1981US 4,295,012 AIllinois Tool Works Inc.
- Keyboard signal storage mechanism25 Nov 1980US 4,235,554 ASilver Seiko Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Keyboard switch actuator and locking assembly18US 4,188,136 ACherry Electrical Prod's. Corp. · 1980
- Shift lock and position indicating torsion spring activated key switch5US 4,348,122 A1982
- Secretarial shift mechanism for an electric keyboard4US 4,295,012 AIllinois Tool Works Inc. · 1981
- Keyboard switch assembly having actuator interlocking keyboard shift and shift lock and release mechanism3US 4,071,719 AIllinois Tool Works Inc. · 1978
- Keyboard spacer3US 4,497,987 ASweda International, Inc. · 1985