Patent US729819A successfully refreshed from Google Patents.
US3095489A
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Manual charging means for stored energy closing mechanisms of electric circuit breakers
Assignee: General Electric Co
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Filing: 1960-10-20
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Granted: 1963-06-25
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Expires: 1980-10-20
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:20
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN AN ELECTRIC CIRCUIT BREAKER: A PAIR OF SEPARABLE SWITCH CONTACTS; FIRST MEANS FOR MOVING ONE OF THE SWITCH CONTACTS FROM AN OPEN CIRCUIT POSITION TO A CLOSED CIRCUIT POSITION; STORED ENERGY ACTUATING MEANS, INCLUDING A SPRING; SECOND MEANS COUPLING THE ACTUATING MEANS TO SAID FIRST MEANS FOR OPERATING THE FIRST MEANS UPON DISCHARGE OF THE SPRING; AND CHARGING MEANS FOR STRESSING SAID SPRING, THE CHARGING MEANS COMPRISING A RATCHET WHEEL CONNECTED TO SAID SPRING SO AS TO STRESS THE SPRING UPON PREDETERMINED ROTATION OF THE WHEEL, A PAIR OF RECIPROCATING PAWLS
Claim 2
Dependent Claim
92 words
IN AN ELECTRIC CIRCUIT BREAKER: A PAIR OF SEPARABLE SWITCH CONTACTS; FIRST MEANS FOR MOVING ONE OF THE SWITCH CONTACTS FROM AN OPEN CIRCUIT POSITION TO A CLOSED CIRCUIT POSITION; STORED ENERGY ACTUATING MEANS, INCLUDING A SPRING; SECOND MEANS COUPLING THE ACTUATING MEANS TO SAID FIRST MEANS FOR OPERATING THE FIRST MEANS UPON DISCHARGE OF THE SPRING; AND CHARGING MEANS FOR STRESSING SAID SPRING, THE CHARGING MEANS COMPRISING A RATCHET WHEEL CONNECTED TO SAID SPRING SO AS TO STRESS THE SPRING UPON PREDETERMINED ROTATION OF THE WHEEL, A PAIR OF RECIPROCATING PAWLS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |