US3161061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gauge mounting
Assignee: Fairchild Semiconductor Corp
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Filing: 1961-08-16
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Granted: 1964-12-15
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Ames
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:41
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0052
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
143 words
AN IMPROVED PRESSURE TRANSDUCER COMPRISING A CAPSULE HAVING A DIAPHRAGM CLOSING A FRONT END THEREOF, A FORCE LINK ENGAGING SAID DIAPHRAGM, MEANS MOUNTING SAID LINK FOR MOVEMENT AXIALLY OF SAID CAPSULE, A BEAM EXTENDING TRANSVERSELY OF SAID CAPSULE WITHIN SAME IN CONTACT WITH SAID FORCE LINK UPON THE CAPSULE AXIS AND ADAPTED TO HAVE AT LEAST ONE STRAIN-SENSITIVE ELEMENT MOUNTED THEREON, A REAR WALL UPON SAID CAPSULE, AND MEANS MOUNTING SAID BEAM UPON SAID REAR WALL AT THE OUTER PERIPHERY THEREOF TO DEFINE AN EFFECTIVE BEAM LENGTH L BETWEEN MOUNTING AND FORCE LINK CONTACT, SAID REAR WALL HAVING PREDETERMINED PHYSICAL CHARACTERISTICS TO DEFLECT AN ANGLE A UPON LONGITUDINAL ACCELERATION OF THE CAPSULE, SUCH THAT LA EQUALS A DEFLECTION OF SAID DIAPHRAGM AT THE CAPSULE AXIS FROM THE SAME CAPSULE ACCELERATION, WHEREBY SAID BEAM IS SUBSTANTIALLY ISOLATED FROM STRESSES FROM ACCELERATION OF THE CAPSULE.
References Cited (Backward Citations)
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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) | 1967-12-15 | 1968-06-15 | 1968-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-15 | 1972-06-15 | 1972-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-15 | 1976-06-15 | 1976-12-15 | $7700.00 | Window Closed / Lapsed |