US2874247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker trip mechanism
Assignee: ITE Circuit Breaker Co
•
Filing: 1953-03-13
•
Granted: 1959-02-17
•
Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Elwood T Platz
- 👤 Russell S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:04
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/36; H01H73/42; H01H71/00; H01H71/10; H01H71/1009; H01H71/12; H01H71/24; H01H71/2472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US675865A
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US974528A
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FR931630A
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US2537618A
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US2607868A
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US2646488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |