Patent US3290949A successfully refreshed from Google Patents.
US3290949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexural pivot
Assignee: General Precision Inc
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Filing: 1963-12-18
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Granted: 1966-12-13
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Samet Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/12; G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; F16C2370/00; Y; Y10; Y10T; Y10T403/00; Y10T403/54; Y10T74/00; Y10T74/12; Y10T74/1293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A PRECISION INSTRUMENT; A MOVABLE MEMBER; A SUPPORT STRUCTURE; AND MEANS SUPPORTIVELY CONNECTING SAID MEMBER TO SAID STRUCTURE FOR LIMITED ANGULAR DISPLACEMENT ABOUT AN AXIS FIXED WITH RESPECT TO SAID MEMBER AND STRUCTURE, SAID MEANS CONSTITUTING THE SLOE MECHANICAL CONNECTION BETWEEN SAID MEMBER AND STRCUTURE AND COMPRISING: A PAIR OF ONE PIECE FLEXURE BARS, EACH HAVING ITS LONGITUDINAL AXIS DISPOSED TRANSVERSELY TO SAID FIXED AXIS AND HAVING ONE END PORTIN FIXEDLY CONNECTED TO SAID MEMBER AND AN OPPOSITE END PORTION FIXEDLY CONNECTED TO SAID STRUCTURE, EACH SAID FLEXURE BAR HAVING A SEGMENT OF REDUCED CROSS-SECTION DEFINING AN AXIS OF FLEXURE TRANSVERSE TO ITS LONGITUDINAL AXIS AND SUBSTANTIALLY COINCIDENT WITH SAID FIXED AXIS, AT LEAST ONE OF SAID FLEXURE BARS HAVING SECOND AND THIRD SEGMENTS OF REDUCED CROSS-SECTION, SPACED ALONG THE LENGTH OF THE BAR, DEFINING RESPECTIVE SECOND AND THIRD AXES OF FLEXURE, PARALLEL TO EACH OTHER, AND DISPOSED SUBSTANTIALLY AT RIGHT ANGLES TO A PLANE INCLUDING THE LONGITUDINAL AXIS OF SAID BAR AND SAID FIXED AXIS.
Claim 2
Dependent Claim
167 words
IN A PRECISION INSTRUMENT; A MOVABLE MEMBER; A SUPPORT STRUCTURE; AND MEANS SUPPORTIVELY CONNECTING SAID MEMBER TO SAID STRUCTURE FOR LIMITED ANGULAR DISPLACEMENT ABOUT AN AXIS FIXED WITH RESPECT TO SAID MEMBER AND STRUCTURE, SAID MEANS CONSTITUTING THE SLOE MECHANICAL CONNECTION BETWEEN SAID MEMBER AND STRCUTURE AND COMPRISING: A PAIR OF ONE PIECE FLEXURE BARS, EACH HAVING ITS LONGITUDINAL AXIS DISPOSED TRANSVERSELY TO SAID FIXED AXIS AND HAVING ONE END PORTIN FIXEDLY CONNECTED TO SAID MEMBER AND AN OPPOSITE END PORTION FIXEDLY CONNECTED TO SAID STRUCTURE, EACH SAID FLEXURE BAR HAVING A SEGMENT OF REDUCED CROSS-SECTION DEFINING AN AXIS OF FLEXURE TRANSVERSE TO ITS LONGITUDINAL AXIS AND SUBSTANTIALLY COINCIDENT WITH SAID FIXED AXIS, AT LEAST ONE OF SAID FLEXURE BARS HAVING SECOND AND THIRD SEGMENTS OF REDUCED CROSS-SECTION, SPACED ALONG THE LENGTH OF THE BAR, DEFINING RESPECTIVE SECOND AND THIRD AXES OF FLEXURE, PARALLEL TO EACH OTHER, AND DISPOSED SUBSTANTIALLY AT RIGHT ANGLES TO A PLANE INCLUDING THE LONGITUDINAL AXIS OF SAID BAR AND SAID FIXED AXIS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |