US3205464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible strain transducer
Assignee: Gulton Industries Inc
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Filing: 1964-04-27
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Granted: 1965-09-07
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/18; Y; Y10; Y10S; Y10S73/00; Y10S73/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A STRAIN MEASURING TRANSDUCER COMPRISING A SOLID BLOCK OF COMPRESSIBLE AND STRETCHABLE RESILIENT RUBBER-LIKE MATERIAL HAVING A DEFINITE PREDETERMINED SIZE AND SHAPE IN THE ABSENCE OF STRESS APPLIED THERETO, AT LEAST ONE ELONGATED STRAIN SENSING ELEMENT EMBEDDED IN SAID RESILIENT BLOCK AND HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES WITH THE STRAIN APPLIED THERETO, SAID RESILIENT BLOCK HAVING AT LEAST ONE STRAIN-RECEIVING SURFACE WHICH RECEIVES A FORCE TO BE SENSED BY THE STRAIN SENSING ELEMENT WHICH IS STRESSED THEREBY, THE ENDS OF SAID STRAIN SENSING ELEMENT BEING SPACED A DISTANCE FROM THE STRAIN-RECEIVING SURFACES OF THE BLOCK WHICH IS MANY TIMES THE THICKNESS OF SAID STRAIN SENSING ELEMENT, WHEREIN A GIVEN STRAIN APPLIED TO THE OUTSIDE OF THE BLOCK WILL BE APPLIED IN REDUCED DEGREE TO SAID STRAIN SENSING ELEMENT WHICH IS A FRACTION OF THE STRAIN APPLIED TO THE BLOCK, AND CONDUCTORS EXTENDING FROM THE STRAIN SENSING ELEMENT TO THE OUTSIDE OF THE BLOCK, TO COUPLE THE VARIABLE ELECTRICAL CHARACTERISTIC THEREOF TO THE OUTSIDE OF THE BLOCK.
Claim 2
Dependent Claim
167 words
A STRAIN MEASURING TRANSDUCER COMPRISING A SOLID BLOCK OF COMPRESSIBLE AND STRETCHABLE RESILIENT RUBBER-LIKE MATERIAL HAVING A DEFINITE PREDETERMINED SIZE AND SHAPE IN THE ABSENCE OF STRESS APPLIED THERETO, AT LEAST ONE ELONGATED STRAIN SENSING ELEMENT EMBEDDED IN SAID RESILIENT BLOCK AND HAVING AN ELECTRICAL CHARACTERISTIC WHICH VARIES WITH THE STRAIN APPLIED THERETO, SAID RESILIENT BLOCK HAVING AT LEAST ONE STRAIN-RECEIVING SURFACE WHICH RECEIVES A FORCE TO BE SENSED BY THE STRAIN SENSING ELEMENT WHICH IS STRESSED THEREBY, THE ENDS OF SAID STRAIN SENSING ELEMENT BEING SPACED A DISTANCE FROM THE STRAIN-RECEIVING SURFACES OF THE BLOCK WHICH IS MANY TIMES THE THICKNESS OF SAID STRAIN SENSING ELEMENT, WHEREIN A GIVEN STRAIN APPLIED TO THE OUTSIDE OF THE BLOCK WILL BE APPLIED IN REDUCED DEGREE TO SAID STRAIN SENSING ELEMENT WHICH IS A FRACTION OF THE STRAIN APPLIED TO THE BLOCK, AND CONDUCTORS EXTENDING FROM THE STRAIN SENSING ELEMENT TO THE OUTSIDE OF THE BLOCK, TO COUPLE THE VARIABLE ELECTRICAL CHARACTERISTIC THEREOF TO THE OUTSIDE OF THE BLOCK.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |