US3079576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integral strain transducer
Assignee: Emerson Process Management Ltd
•
Filing: 1961-02-01
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Granted: 1963-02-26
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Kooiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:00
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0052; G01L9/0054; G01L9/0001; G01L9/0002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN INTEGRAL STRAIN TRANSDUCER COMPRISING A PRESSURETIGHT CONTAINER CONSTRUCTED SO AS TO BE CAPABLE OF BEING SUBJECTED TO PRESSURE, SAID CONTAINER INCLUDING A WALL PORTION WHICH IS STRESSED WHEN THE CONTAINER IS SUBJECTED TO PRESSURE AND WHICH IS COMPOSED OF A MATERIAL CAPABLE OF CHANGING ITS ELECTRICAL RESISTANCE BETWEEN SPACED LOCATIONS THEREON WHEN SO STRESSED, AND SEPARATED ELECTRICAL TERMINALS SOLIDLY AFFIXED ELECTRICALLY AND MECHANICALLY AT SAID SPACED LOCATIONS, SAID TERMINALS BEING OF A CHARACTER SUCH THAT THE AREA OF CONTACT BETWEEN THE TERMINAL AND THE CONTAINER WILL REMAIN SUBSTANTIALLY CONSTANT.
Claim 2
Dependent Claim
90 words
AN INTEGRAL STRAIN TRANSDUCER COMPRISING A PRESSURETIGHT CONTAINER CONSTRUCTED SO AS TO BE CAPABLE OF BEING SUBJECTED TO PRESSURE, SAID CONTAINER INCLUDING A WALL PORTION WHICH IS STRESSED WHEN THE CONTAINER IS SUBJECTED TO PRESSURE AND WHICH IS COMPOSED OF A MATERIAL CAPABLE OF CHANGING ITS ELECTRICAL RESISTANCE BETWEEN SPACED LOCATIONS THEREON WHEN SO STRESSED, AND SEPARATED ELECTRICAL TERMINALS SOLIDLY AFFIXED ELECTRICALLY AND MECHANICALLY AT SAID SPACED LOCATIONS, SAID TERMINALS BEING OF A CHARACTER SUCH THAT THE AREA OF CONTACT BETWEEN THE TERMINAL AND THE CONTAINER WILL REMAIN SUBSTANTIALLY CONSTANT.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |