US2678359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trip mechanism of circuit breakers
Assignee: ITE Circuit Breaker Co
•
Filing: 1952-01-15
•
Granted: 1954-05-11
•
Expires: 1972-01-15
Abstract
No abstract record available.
Inventors
- 👤 John C Brumfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:59
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/48; H01H73/50; H01H71/00; H01H71/10; H01H71/1009; H01H71/50; H01H71/52; H01H71/522; H01H71/524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162577A
Cited
US2590663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |