US2878338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switches
Assignee: Lucas Support Services Ltd
•
Filing: 1955-02-21
•
Granted: 1959-03-17
•
Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Gribble Frederick Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:15
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/20; H01H71/00; H01H71/10; H01H71/1054; H01H71/12; H01H71/24; H01H71/34; H01H71/345; H01H71/44; H01H71/443
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE342143C
Cited
US2072932A
Cited
US2131942A
Cited
US2474742A
Cited
US2515259A
Cited
US2769058A
Cited
US2700711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |