US3289135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain gauges
Assignee: Individual
•
Filing: 1963-12-04
•
Granted: 1966-11-29
•
Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Anderson
- 👤 Leonard U Rastrelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:43
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2218; G01B; G01B7/00; G01B7/16; G01B7/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A FLEXIBLE ELECTRICAL RESISTANCE GAUGE FOR MEASURING THE DEFORMATION OF AN ELASTOMERIC BODY, COMPRISING: (A) A FIRST CYLINDRICAL MEMBER; (B) A PLURALITY OF SLOTS FORMED IN THE PERIPHERY OF SAID FIRST MEMBER; (C) A SECOND CYLINDRICAL MEMBER IN JUXTAPOSITION WITH SAID PERIPHERY; (D) AN ELASTOMERIC SLURRY IN SAID SLOTS AND MAINTAINED THERE BETWEEN SAID FIRST AND SECOND MEMBERS; AND (E) MEANS, INCLUDING INDIVIDUAL PAIRS OF WIRE CONNECTED TO EACH OF SAID SLOTS, FOR PROVIDING AN ELECTRICAL PATH TO SAID SLURRY, SAID SLURRY HAVING A UNIT ELECTRICAL RESISTANCE SUBSTANTIALLY LOWER THAN THAT OF SAID FIRST AND SECOND CYLINDRICAL MEMBERS.
References Cited (Backward Citations)
GB939282A
Cited
US2734978A
Cited
US2061863A
Cited
US2518906A
Cited
FR1085077A
Cited
US3137834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |