Patent US3225622A successfully refreshed from Google Patents.
US3225622A
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Condition responsive device
Assignee: Dresser Industries Inc
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Filing: 1963-04-29
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Granted: 1965-12-28
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Bois Robert C Du
- 👤 Goff Randall
- 👤 Edward J Plavcan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2635; H01H35/2642; G; G01; G01L; G01L27/00; G01L27/002; G01L27/005; G01L7/00; G01L7/02; G01L7/04; G01L7/043; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
ION A CONDITION RESPONSIVE DEVICE, AN ACTUATIONG MEMBER, YIELDABLE PIVOT MEANS MOUNTING ONE END OF SAID MEMBER, MEANS FOR MOVING THE OTHER END OF SAID MEMBER IN ONE DIRECTION ABOUT SAID PIVOT MEANS, FULCRUM MEANS SPACED SUBSTANTIALLY FROM AND ENGAGEABLE WITH SAID MEMBER INTERMEDIATE THE ENDS OF SIAD MEMBER FOR RESTRAINING MOVEMENT OF SAID MEMBER ABOUT SAID PIVOT MEANS IN RESPONSE TO MOVEMENT OF SAID MEMBER A PREDETERMINED AMOUNT ABOUT SAID PIVOT MEANS IN SAID ONE DIRECTION WHEREBY UPON CONTINUED MOVEMENT OF SAID OTHER END OF SAID ACTUATING MEMBER ION SAID ONE DIRECTION SAID YIELDABLE PIVOT MEANS WILL BE MOVED RELATIVE TO SAID FULCRUM MEANS, AND MEAND RESPONSIVE TO THE MOVEMENT OF SAID YIELDABLEE PIVOT MEANS.
Claim 2
Dependent Claim
116 words
ION A CONDITION RESPONSIVE DEVICE, AN ACTUATIONG MEMBER, YIELDABLE PIVOT MEANS MOUNTING ONE END OF SAID MEMBER, MEANS FOR MOVING THE OTHER END OF SAID MEMBER IN ONE DIRECTION ABOUT SAID PIVOT MEANS, FULCRUM MEANS SPACED SUBSTANTIALLY FROM AND ENGAGEABLE WITH SAID MEMBER INTERMEDIATE THE ENDS OF SIAD MEMBER FOR RESTRAINING MOVEMENT OF SAID MEMBER ABOUT SAID PIVOT MEANS IN RESPONSE TO MOVEMENT OF SAID MEMBER A PREDETERMINED AMOUNT ABOUT SAID PIVOT MEANS IN SAID ONE DIRECTION WHEREBY UPON CONTINUED MOVEMENT OF SAID OTHER END OF SAID ACTUATING MEMBER ION SAID ONE DIRECTION SAID YIELDABLE PIVOT MEANS WILL BE MOVED RELATIVE TO SAID FULCRUM MEANS, AND MEAND RESPONSIVE TO THE MOVEMENT OF SAID YIELDABLEE PIVOT MEANS.
References Cited (Backward Citations)
US2068663A
Cited
US2092559A
Cited
US2190506A
Cited
US2305070A
Cited
US2491548A
Cited
US2662539A
Cited
US2793540A
Cited
FR1164684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |