US3249730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breakers having self-cleaning and self-adjusting contacts which are very easily replaceable
Assignee: Individual
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Filing: 1965-06-07
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Granted: 1966-05-03
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Felson Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/06; F02P7/063; F02P7/0631; H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16; Y; Y10; Y10S; Y10S200/00; Y10S200/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A CIRCUIT BREAKER OF THE CHARACTER DESCRIBED, TWO ELECTRICALLY CONDUCTIVE MEMBERS INSULATED FROM EACH OTHER AND CARRIED ON A FRAME FOR RELATIVE MOVEMENT TOWARDS AND AWAY FROM EACH OTHER, TWO CONTACT ELEMENTS, EACH HAVING A CIRCULAR CROSS-SECTION, MEANS ON EACH OF SAID MEMBERS HOLDING ONE OF SAID CONTACT ELEMENTS FOR ROTATION ABOUT THE AXIS OF ITS CIRCULAR SECTION; SAID ELEMENTS BEING SO POSITIONED THAT UPON RELATIVE MOVEMENT OF SAID MEMBERS TOWARDS EACH OTHER, SAID CONTACT ELEMENTS WILL HIT EACH OTHER OFF DEAD CENTER; EACH OF SAID MEMBERS PRESENTING AT LEAST ONE EDGE IN AT LEAST RUBBING CONTACT WITH THE CIRCULAR PERIPHERY O THE CONTACT ELEMENT THEREON WHEREBY UPON IMPACT OF SAID CONTACT ELEMENTS, EACH WILL ROTATE THE OTHER A FRACTION OF A TURN WHEREUPON EACH OF SAID ELEMENTS WILL BE CLEANED AND BURNISHED BY THE RUBBING EDGE IT IS IN CONTACT WITH.
Claim 2
Dependent Claim
143 words
IN A CIRCUIT BREAKER OF THE CHARACTER DESCRIBED, TWO ELECTRICALLY CONDUCTIVE MEMBERS INSULATED FROM EACH OTHER AND CARRIED ON A FRAME FOR RELATIVE MOVEMENT TOWARDS AND AWAY FROM EACH OTHER, TWO CONTACT ELEMENTS, EACH HAVING A CIRCULAR CROSS-SECTION, MEANS ON EACH OF SAID MEMBERS HOLDING ONE OF SAID CONTACT ELEMENTS FOR ROTATION ABOUT THE AXIS OF ITS CIRCULAR SECTION; SAID ELEMENTS BEING SO POSITIONED THAT UPON RELATIVE MOVEMENT OF SAID MEMBERS TOWARDS EACH OTHER, SAID CONTACT ELEMENTS WILL HIT EACH OTHER OFF DEAD CENTER; EACH OF SAID MEMBERS PRESENTING AT LEAST ONE EDGE IN AT LEAST RUBBING CONTACT WITH THE CIRCULAR PERIPHERY O THE CONTACT ELEMENT THEREON WHEREBY UPON IMPACT OF SAID CONTACT ELEMENTS, EACH WILL ROTATE THE OTHER A FRACTION OF A TURN WHEREUPON EACH OF SAID ELEMENTS WILL BE CLEANED AND BURNISHED BY THE RUBBING EDGE IT IS IN CONTACT WITH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |