US3117206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency release switch
Assignee: Cutler Hammer Inc
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Filing: 1961-07-31
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Granted: 1964-01-07
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Bush Rex Devon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:44
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/08; H01H13/50; H01H13/506; H01H2300/00; H01H2300/026; H01H2300/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN AN ELECTRIC SWITCH, IN COMBINATION, A HOUSING, A STATIONARY CONTACT MOUNTED IN SAID HOUSING, A RESILIENT MOVABLE CONTACTOR IN SAID HOUSING NORMALLY BIASED OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND OPERATING MEANS FOR SAID MOVABLE CONTACTOR INCLUDING A MEMBER NORMALLY BIASED TO AN EXTREME POSITION OUT OF ENGAGEMENT WITH SAID CONTACTOR, SAID CONTACTOR AND SAID MEMBER HAVING MEANS WHICH UPON MOVEMENT OF SAID MEMBER A GIVEN DISTANCE FROM SAID EXTREME POSITION EFFECT ENGAGEMENT THEREBETWEEN TO PRESS SAID CONTACTOR INTO ENGAGEMENT WITH SAID STATIONARY CONTACT, SAID MEANS UPON FURTHER MOVEMENT OF SAID MEMBER IN THE SAME DIRECTION AFFORDING DISENGAGEMENT OF SAID MEMBER FROM SAID CONTACTOR TO PERMIT SAID CONTACTOR TO DISENGAGE FROM SAID STATIONARY CONTACT, AND SAID MEANS UPON SAID CONTACTOR MOVING BACK FROM THE LAST MENTIONED CONTACTOR DISENGAGING POSITION TO THE FIRST MENTIONED EXTREME POSITION PREVENTING ENGAGEMENT OF SAID CONTACTOR WITH SAID STATIONARY CONTACT.
Claim 2
Dependent Claim
146 words
IN AN ELECTRIC SWITCH, IN COMBINATION, A HOUSING, A STATIONARY CONTACT MOUNTED IN SAID HOUSING, A RESILIENT MOVABLE CONTACTOR IN SAID HOUSING NORMALLY BIASED OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND OPERATING MEANS FOR SAID MOVABLE CONTACTOR INCLUDING A MEMBER NORMALLY BIASED TO AN EXTREME POSITION OUT OF ENGAGEMENT WITH SAID CONTACTOR, SAID CONTACTOR AND SAID MEMBER HAVING MEANS WHICH UPON MOVEMENT OF SAID MEMBER A GIVEN DISTANCE FROM SAID EXTREME POSITION EFFECT ENGAGEMENT THEREBETWEEN TO PRESS SAID CONTACTOR INTO ENGAGEMENT WITH SAID STATIONARY CONTACT, SAID MEANS UPON FURTHER MOVEMENT OF SAID MEMBER IN THE SAME DIRECTION AFFORDING DISENGAGEMENT OF SAID MEMBER FROM SAID CONTACTOR TO PERMIT SAID CONTACTOR TO DISENGAGE FROM SAID STATIONARY CONTACT, AND SAID MEANS UPON SAID CONTACTOR MOVING BACK FROM THE LAST MENTIONED CONTACTOR DISENGAGING POSITION TO THE FIRST MENTIONED EXTREME POSITION PREVENTING ENGAGEMENT OF SAID CONTACTOR WITH SAID STATIONARY CONTACT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |