Patent US3214979A successfully refreshed from Google Patents.
US3214979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock resistant instrument
Assignee: Dresser Industries Inc
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Filing: 1962-08-31
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Granted: 1965-11-02
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert D Bissell
- 👤 Joseph E Gorgens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:58
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/02; G01L7/04; G01L7/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN AN INSTRUMENT OF A TYPE INCLUDING A PRESSURE RESPONSIVE MEMBER HAVNG A DRIVING PORTION MOVEABLE IN OPPOSITE DIRECTIONS IN RESPONSE TO A CHANGE IN PRESSURE, AND A DRIVEN MEMBER; MEANS FOR DRIVINGLY CONNECTING THE DRIVEN MEMBER AND THE DRIVING PORTION, COMPRISING A DRIVEN GEAR, A GEAR SEGMENT MESHED WITH SAID DRIVEN GEAR, A LINK HAVING A PAIR OF LONGITUDINALLY SPACED AND ALIGNED SLOTS, A FIRST PIVOT MEMBER RECEIVED IN ONE SLOT AND DRIVINGLY CONNECTED TO SAID SEGMENT, A SEOCND PIVOT MEMBER RECEIVED IN THE OTHER SLOT AND DRIVINGLY CONNECTED TO SAID DRIVING PORTION, A BUSHING SLIDABLY RECEIVED IN SAID OTHER SLOT AND ROTATABLY MOUNTING SAID SECOND PIVOT MEMBER, PRELOADED RESILIENT MEANS URGING THE FIRST PIVOT MEMBER IN ONE DIRECTION LONGITUDINALLY OF THE LINK AND TOWARD ONE END OF ITS RESPECTIVE SLOT, AND A PRELOADED SPRING CONNECTED AT ONE END TO THE LINK AND ENGAGED AT ITS OTHER END WITH SAID BUSHING AND URGING SAID BUSHING IN SAID ONE DIRECTION LONGITUDINALLY OF THE LINK AND INTO ENGAGEMENT WITH AN END OF SAID OTHER SLOT.
Claim 2
Dependent Claim
174 words
IN AN INSTRUMENT OF A TYPE INCLUDING A PRESSURE RESPONSIVE MEMBER HAVNG A DRIVING PORTION MOVEABLE IN OPPOSITE DIRECTIONS IN RESPONSE TO A CHANGE IN PRESSURE, AND A DRIVEN MEMBER; MEANS FOR DRIVINGLY CONNECTING THE DRIVEN MEMBER AND THE DRIVING PORTION, COMPRISING A DRIVEN GEAR, A GEAR SEGMENT MESHED WITH SAID DRIVEN GEAR, A LINK HAVING A PAIR OF LONGITUDINALLY SPACED AND ALIGNED SLOTS, A FIRST PIVOT MEMBER RECEIVED IN ONE SLOT AND DRIVINGLY CONNECTED TO SAID SEGMENT, A SEOCND PIVOT MEMBER RECEIVED IN THE OTHER SLOT AND DRIVINGLY CONNECTED TO SAID DRIVING PORTION, A BUSHING SLIDABLY RECEIVED IN SAID OTHER SLOT AND ROTATABLY MOUNTING SAID SECOND PIVOT MEMBER, PRELOADED RESILIENT MEANS URGING THE FIRST PIVOT MEMBER IN ONE DIRECTION LONGITUDINALLY OF THE LINK AND TOWARD ONE END OF ITS RESPECTIVE SLOT, AND A PRELOADED SPRING CONNECTED AT ONE END TO THE LINK AND ENGAGED AT ITS OTHER END WITH SAID BUSHING AND URGING SAID BUSHING IN SAID ONE DIRECTION LONGITUDINALLY OF THE LINK AND INTO ENGAGEMENT WITH AN END OF SAID OTHER SLOT.
References Cited (Backward Citations)
US292169A
Cited
US1195750A
Cited
US1290375A
Cited
US1839077A
Cited
US2047581A
Cited
US2665584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |