Patent US1674411A successfully refreshed from Google Patents.
Patent US3553625A successfully refreshed from Google Patents.
US3553625A
Expired / Lapsed
US
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Side sensitive miniaturized pressure transducer
Assignee: Solartron Electronics Inc
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Filing: 1967-12-29
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Granted: 1971-01-05
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Expires: 1987-12-29
Abstract
Abstract MINIATURIZED PRESSURE TRANSDUCER FOR INTRACARDIAC AND LIKE APPLICATIONS EMPLOYING A CYLINDRICAL HOUSING HAVING A SIDE PLACED RUBBER DIAPHRAGM, AND A BEAM TYPE FLEXURE MEMBER MOUNTING FILM TYPE ELECTROCONDUCTIVE STRAIN SENSING ELEMENTS, PLACED ON THE SINGLE SURFACE OF THE BEAM AND SUBJECT T BOTH TENSIVE AND COMPRESSIVE STRAIN UPON DEFLECTION OF THE BEAM. A PLURALITY OF LEADS CONNECT THE STRAIN SENSITIVE ELEMENTS INTO A CONVENTIONAL WHEATSTONE BRIDGE CIRCUIT. A LEVER ARM OR "PADDLE" IS FIXED TO THE LOADED END OF THE BEAM AND EXTENDS GENERALLY PARALLEL TO THE BEAM AND A LINKAGE PIN INTERCONNECTS THE DIAPHRAGM AND THE LEVER ARM BELOW THE MIDPOINT OF THE FLEXURAL BEAM.
Inventors
- 👤 Cecil K Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:30
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/006; A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |