US3395564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric strain module and method of calibration thereof
Assignee: United States Department of the Navy
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Filing: 1964-05-25
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Granted: 1968-08-06
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Leonard U Rastrelli
- 👤 Eugene L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0002; G01B; G01B7/00; G01B7/16; G01B7/18; G01L1/00; G01L1/20; G01L25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A FULLY CALIBRATED, ELASTOMERIC STRAIN MEASURING MODULE FOR COUPLING TO A SIGNAL MEASURING SYSTEM AND FOR EMBEDMENT IN AN ELASTOMERIC BODY, COMPRISING: (A) A SIGNAL GENERATING TRANSDUCER (B) MEANS FOR CONNECTING SAID TRANSDUCER TO THE SIGNAL MEASURING SYSTEM; (C) A CAPSULE OF ELASTOMERIC MATERIAL ENCASING SAID TRANSDUCER; (D) SAID MATERIAL HAVING PHYSICAL PROPERTIES SUBSTANTIALLY EQUIVALENT TO THOSE OF THE ELASTOMERIC BODY INCLUDING BEING RELATIVELY TRANSPARENT; AND (E) A PLURALITY OF OPAQUE SPACED PARTICLES EMBEDDED IN SAID CAPSULE, WHEREBY THE MODULE MAY BE PRECALIBRATED TO ACCOUNT FOR DISTORTION IN THE STRAIN GRADIENTS OCCASIONED BY INTRODUCTION OF THE TRANSDUCER INTO THE ELASTOMERIC BODY.
Claim 2
Dependent Claim
101 words
A FULLY CALIBRATED, ELASTOMERIC STRAIN MEASURING MODULE FOR COUPLING TO A SIGNAL MEASURING SYSTEM AND FOR EMBEDMENT IN AN ELASTOMERIC BODY, COMPRISING: (A) A SIGNAL GENERATING TRANSDUCER (B) MEANS FOR CONNECTING SAID TRANSDUCER TO THE SIGNAL MEASURING SYSTEM; (C) A CAPSULE OF ELASTOMERIC MATERIAL ENCASING SAID TRANSDUCER; (D) SAID MATERIAL HAVING PHYSICAL PROPERTIES SUBSTANTIALLY EQUIVALENT TO THOSE OF THE ELASTOMERIC BODY INCLUDING BEING RELATIVELY TRANSPARENT; AND (E) A PLURALITY OF OPAQUE SPACED PARTICLES EMBEDDED IN SAID CAPSULE, WHEREBY THE MODULE MAY BE PRECALIBRATED TO ACCOUNT FOR DISTORTION IN THE STRAIN GRADIENTS OCCASIONED BY INTRODUCTION OF THE TRANSDUCER INTO THE ELASTOMERIC BODY.
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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |