US3136158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed tensile tester
Assignee: Individual
•
Filing: 1960-08-10
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Granted: 1964-06-09
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Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Prentice C Wharff
- 👤 Jr Kenneth R Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:26
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N2203/00; G01N2203/02; G01N2203/026; G01N2203/0262; G01N2203/0278; G01N2203/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
APPARATUS FOR TESTING THE TENSILE PROPERTIES OF SPECIMENS COMPRISING MEANS FOR HOLDING ONE END OF A SPECIMEN; OTHER MEANS FOR HOLDING THE OTHER END OF THE SPECIMEN; MEANS FOR TENSIONING A SPECIMEN HELD BY SAID HOLDING MEANS INCLUDING A REVERSIBLE DRIVE; MEANS FOR INDICATING TENSION ON A SPECIMEN; MEANS FOR INDICATING ELONGATION OF A SPECIMEN; A QUICK-RETURN RETRACTION DRIVE MEANS FOR SAID TENSIONING MEANS INDEPENDENT OF SAID REVERSIBLE DRIVE; A NORMALLY-CLOSED MANUAL CONTROL MEANS OF SAID QUICKRETURN RETRACTION DRIVE MEANS; AND MEANS FOR INITIATING OPERATION OF SAID QUICK-RETURN MEANS IN RESPONSE TO FULL EXTENSION OF SAID TENSIONING MEANS, TO DECREASE IN TENSION ON A SPECIMEN, TO FULL SCALE OPERATION OF SAID TENSION INDICATING MEANS, AND TO OPENING OF SAID NORMALLY-CLOSED MANUAL CONTROL MEANS.
Claim 2
Dependent Claim
123 words
APPARATUS FOR TESTING THE TENSILE PROPERTIES OF SPECIMENS COMPRISING MEANS FOR HOLDING ONE END OF A SPECIMEN; OTHER MEANS FOR HOLDING THE OTHER END OF THE SPECIMEN; MEANS FOR TENSIONING A SPECIMEN HELD BY SAID HOLDING MEANS INCLUDING A REVERSIBLE DRIVE; MEANS FOR INDICATING TENSION ON A SPECIMEN; MEANS FOR INDICATING ELONGATION OF A SPECIMEN; A QUICK-RETURN RETRACTION DRIVE MEANS FOR SAID TENSIONING MEANS INDEPENDENT OF SAID REVERSIBLE DRIVE; A NORMALLY-CLOSED MANUAL CONTROL MEANS OF SAID QUICKRETURN RETRACTION DRIVE MEANS; AND MEANS FOR INITIATING OPERATION OF SAID QUICK-RETURN MEANS IN RESPONSE TO FULL EXTENSION OF SAID TENSIONING MEANS, TO DECREASE IN TENSION ON A SPECIMEN, TO FULL SCALE OPERATION OF SAID TENSION INDICATING MEANS, AND TO OPENING OF SAID NORMALLY-CLOSED MANUAL CONTROL MEANS.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |