US2971146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instantaneous trip for rectifier protection
Assignee: ITE Circuit Breaker Co
•
Filing: 1957-02-20
•
Granted: 1961-02-07
•
Expires: 1977-02-20
Abstract
No abstract record available.
Inventors
- 👤 Diebold Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:30
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/125; H02H7/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093342A
Cited
US2169866A
Cited
US2441484A
Cited
US2503405A
Cited
US2672584A
Cited
US2846636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |