Patent US2486596A successfully refreshed from Google Patents.
US2486596A
Expired / Lapsed
US
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Time delay for selective tripping
Assignee: ITE Circuit Breaker Co
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Filing: 1945-10-19
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Granted: 1949-11-01
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Expires: 1965-10-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert C Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:27
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/44; H01H71/1081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1123288A
Cited
US1696611A
Cited
US1764382A
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US1928131A
Cited
US1810591A
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US2383288A
Cited
US2419892A
Cited
US2393736A
Cited
US2439165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |