Patent US3610031A successfully refreshed from Google Patents.
US3610031A
Expired / Lapsed
US
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Combined load testing device
Assignee: United States Department of the Navy
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Filing: 1970-01-19
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Granted: 1971-10-05
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Expires: 1990-01-19
Abstract
Abstract THIS DISCLOSURE IS DIRECTED TO A TESTING MACHINE FOR STUDYING THE MECHANICAL BEHAVIOR OF MATERIALS BY USE OF A FLUID UNDER PRESSURE APPLIED TO A MATERIAL FOR DETERMINING STRSS-STRAIN RELATIONSHIP, UNDER UNIAXIAL LOADING, TORSION, AND EXTERNAL PRESSURE OR COMBINATIONS OF THE ABOVE.
Inventors
- 👤 Austin B J Clark
- 👤 Whai-Sang Fu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:49
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |