Patent US2689286A successfully refreshed from Google Patents.
US2689286A
Expired / Lapsed
US
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Circuit breaker
Assignee: Federal Electric Products Co
•
Filing: 1952-03-08
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Granted: 1954-09-14
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Expires: 1972-03-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2071848A
Cited
US2132627A
Cited
US2126412A
Cited
US2370206A
Cited
US2443230A
Cited
US2478541A
Cited
US2636958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |