US3719263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for locking the carriage of an electric typewriter
Assignee: Individual
•
Filing: 1970-07-08
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Granted: 1973-03-06
•
Expires: 1990-07-08
Abstract
Abstract A DEVICE FOR LOCKING THE CARRIAGE OF AN ELECTRIC TYPEWRITER TO PROTECT AGAINST DAMAGE DURING TRANSPORT OPERATED BY THE MANUAL MOVEMENT OF THE TYPEWRITER MOTOR CONTROL SWITCH BETWEEN THE ON AND OFF POSITION. THE CARRIAGE LOCK COMPRISES A PROJECTION WHICH COOPERATES WITH A RECESS IN A CARRIAGE MEMBER TO LOCK THE CARRIAGE IN THE CENTER POSITION. OPERATING IN CONJUNCTION WITH THE CARRIAGE LOCK ARE A MEANS FOR LOCKING THE TYPEWRITER KEYS TO PREVENT DEPRESSION THEREOF AND A MEANS FOR DESENGAGING THE DRIVE MOTOR FROM THE CARRIAGE RETURN MECHANISM.
Inventors
- 👤 L Navone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:48
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/54; B41J29/58; B41J29/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |