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US3443258A
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US
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Circuit breaker with trip indicator
Assignee: Schneider Electric USA Inc
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Filing: 1966-11-10
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Granted: 1969-05-06
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert W Dunham
- 👤 Charles D Vyskocil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:48
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/04; H01H71/10; H01H71/50; H01H71/52; H01H71/522; H01H71/524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |