Patent US3328731A successfully refreshed from Google Patents.
US3328731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electrical circuit breaker and actuator
Assignee: Individual
•
Filing: 1965-06-14
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Granted: 1967-06-27
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Huska Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:14
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/66; H01H71/70; H01H2071/665
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE COMBINATION COMPRISING: AN ELECTRICAL CIRCUIT BREAKER HAVING A LEVER MEANS OPERABLE OVER-CENTER TO ONE POSITION AND RETURNABLE OVER-CENTER FROM SAID ONE POSITION; AND AN ACTUATOR INCLUDING, A SLIDE ENGAGEABLE WITH OPPOSITE SIDES OF THE LEVER AND MOVING THE LEVER OVERCENTER TO AND FROM SAID ONE POSITION, A RETURN MEANS BIASED BY MOVEMENT OF THE SLIDE TO SAID ONE POSITION, AND
Claim 2
Dependent Claim
61 words
THE COMBINATION COMPRISING: AN ELECTRICAL CIRCUIT BREAKER HAVING A LEVER MEANS OPERABLE OVER-CENTER TO ONE POSITION AND RETURNABLE OVER-CENTER FROM SAID ONE POSITION; AND AN ACTUATOR INCLUDING, A SLIDE ENGAGEABLE WITH OPPOSITE SIDES OF THE LEVER AND MOVING THE LEVER OVERCENTER TO AND FROM SAID ONE POSITION, A RETURN MEANS BIASED BY MOVEMENT OF THE SLIDE TO SAID ONE POSITION, AND
References Cited (Backward Citations)
US2570438A
Cited
US2792468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |