US2691085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit interrupter
Assignee: General Electric Co
•
Filing: 1951-06-26
•
Granted: 1954-10-05
•
Expires: 1971-06-26
Abstract
No abstract record available.
Inventors
- 👤 John W Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:11
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/38; H01H1/385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR592084A
Cited
US2180155A
Cited
US2427195A
Cited
US2413555A
Cited
GB619243A
Cited
US2588933A
Cited
US2517052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |