US3117196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acceleration operated switch
Assignee: Douglas Aircraft Co Inc
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Filing: 1960-08-29
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Granted: 1964-01-07
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel R Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:22
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN ELECTRICAL SWITCHING DEVICE ADAPTED TO BE ACTIVATED ONLY BY AN ACCELERATION FORCE OF A PREDETERMINED MINIMUM MAGNITUDE AND DURATION, COMPRISING: FIRST AND SECOND MOVABLE MEMBERS MUTUALLY ARRANGED FOR RELATIVE MOVEMENT IN RESPONSE TO SAID FORCE; MEANS ADJACENT TO BOTH OF SAID MOVABLE MEMBERS FOR HOLDING SAID SECOND MOVABLE MEMBER IN A SOLIDLY ENGAGED, FIXED POSITION UNDER THE INFLUENCE OF SAID FORCE UNTIL SAID FORCE HAS CAUSED SAID FIRST MEMBER TO BE DISPLACED A FIRST PREDETERMINED DISTANCE AT WHICH SAID SECOND MEMBER IS QUICKLY AND FULLY RELEASED BY SAID HOLDING MEANS TO BE FREE TO BE DISPLACED A SECOND PREDETERMINED DISTANCE WHEREIN DISPLACEMENT THEREOF IS EFFECTIVELY LIMITED INDEPENDENTLY OF THE DISPLACEMENT OF SAID FIRST MEMBER TO SAID FIRST PREDETERMINED DISTANCE; FORCE RESISTING MEANS IN CONTACT WITH SAID MOVABLE MEMBERS TO EXERT A COUNTERACTING FORCE
Claim 2
Dependent Claim
134 words
AN ELECTRICAL SWITCHING DEVICE ADAPTED TO BE ACTIVATED ONLY BY AN ACCELERATION FORCE OF A PREDETERMINED MINIMUM MAGNITUDE AND DURATION, COMPRISING: FIRST AND SECOND MOVABLE MEMBERS MUTUALLY ARRANGED FOR RELATIVE MOVEMENT IN RESPONSE TO SAID FORCE; MEANS ADJACENT TO BOTH OF SAID MOVABLE MEMBERS FOR HOLDING SAID SECOND MOVABLE MEMBER IN A SOLIDLY ENGAGED, FIXED POSITION UNDER THE INFLUENCE OF SAID FORCE UNTIL SAID FORCE HAS CAUSED SAID FIRST MEMBER TO BE DISPLACED A FIRST PREDETERMINED DISTANCE AT WHICH SAID SECOND MEMBER IS QUICKLY AND FULLY RELEASED BY SAID HOLDING MEANS TO BE FREE TO BE DISPLACED A SECOND PREDETERMINED DISTANCE WHEREIN DISPLACEMENT THEREOF IS EFFECTIVELY LIMITED INDEPENDENTLY OF THE DISPLACEMENT OF SAID FIRST MEMBER TO SAID FIRST PREDETERMINED DISTANCE; FORCE RESISTING MEANS IN CONTACT WITH SAID MOVABLE MEMBERS TO EXERT A COUNTERACTING FORCE
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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) | 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 |