Patent US3319031A successfully refreshed from Google Patents.
US3319031A
Expired / Lapsed
US
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Thermal snap circuit breaker with slidable spring biased collar engaging on side of the bimetal
Assignee: AMSTAR TECHNICAL PRODUCTS COMPANY Inc A CORP OF DE
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Filing: 1965-10-23
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Granted: 1967-05-09
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Butler
- 👤 Bertram T Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2863965A
Cited
US3013138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |