Patent US2769876A successfully refreshed from Google Patents.
US2769876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switching device
Assignee: General Electric Co
•
Filing: 1951-09-06
•
Granted: 1956-11-06
•
Expires: 1971-09-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Macemon
- 👤 William T Posey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:08
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/06; H01H1/08; H01H61/00; H01H61/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2149853A
Cited
US2116215A
Cited
US2280539A
Cited
US2318700A
Cited
US2325785A
Cited
US2406036A
Cited
US2564853A
Cited
US2539259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |