Patent US3198907A successfully refreshed from Google Patents.
US3198907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically operated circuit breaker
Assignee: General Electric Co
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Filing: 1960-11-14
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Granted: 1965-08-03
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Harry W Archer
- 👤 David B Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:17
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/26; H01H3/264; H01H71/00; H01H71/10; H01H71/66; H01H2071/665
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A MOTOR OPERATED ELECTRIC CIRCUIT BREAKER COMPRISING: (A) A CASING OF INSULATING MATERIAL; (B) AN OPERATING HANDLE PROJECTING FROM SAID CASING; (C) AN ELECTRIC MOTOR; (D) AN ELONGATED THREADED OPERATING SHAFT CONNECTED TO SAID MOTOR FOR ROTATION THEREBY; (E) MEANS SUPPORTING SAID ELECTRIC MOTOR AND SAID OPERATING SHAFT ON SAID CASING FOR RECIPROCATING LONGITUDINAL MOVEMENT AS A UNIT IN A DIRECTION PARALLEL TO THE AXIS OF SAID SHAFT; (F) MEANS BIASING SAID MOTOR AND SAID SHAFT TO NORMAL POSITION WHILE PERMITTING RESILIENT LONGITUDINAL MOVEMENT OF SAID MOTOR AND SAID SHAFT IN EACH DIRECTION AWAY FROM SAID NORMAL POSITION; (G) A TRAVELLING NUT CARRIED BY SAID OPERATING SHAFT AND OPERATIVELY CONNECTED TO SAID CIRCUIT BREAKER OPERATING HANDLE;
Claim 2
Dependent Claim
116 words
A MOTOR OPERATED ELECTRIC CIRCUIT BREAKER COMPRISING: (A) A CASING OF INSULATING MATERIAL; (B) AN OPERATING HANDLE PROJECTING FROM SAID CASING; (C) AN ELECTRIC MOTOR; (D) AN ELONGATED THREADED OPERATING SHAFT CONNECTED TO SAID MOTOR FOR ROTATION THEREBY; (E) MEANS SUPPORTING SAID ELECTRIC MOTOR AND SAID OPERATING SHAFT ON SAID CASING FOR RECIPROCATING LONGITUDINAL MOVEMENT AS A UNIT IN A DIRECTION PARALLEL TO THE AXIS OF SAID SHAFT; (F) MEANS BIASING SAID MOTOR AND SAID SHAFT TO NORMAL POSITION WHILE PERMITTING RESILIENT LONGITUDINAL MOVEMENT OF SAID MOTOR AND SAID SHAFT IN EACH DIRECTION AWAY FROM SAID NORMAL POSITION; (G) A TRAVELLING NUT CARRIED BY SAID OPERATING SHAFT AND OPERATIVELY CONNECTED TO SAID CIRCUIT BREAKER OPERATING HANDLE;
References Cited (Backward Citations)
US2253170A
Cited
US2407537A
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US2688718A
Cited
US2864912A
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US2870288A
Cited
US3084318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |