Patent US3107523A successfully refreshed from Google Patents.
US3107523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensile testing specimen clamp
Assignee: Dow Chemical Co
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Filing: 1960-03-31
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Granted: 1963-10-22
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Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Kenneth R Oliver
- 👤 Henry L Mckimmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:08
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/02; G01N3/04; G01N2203/00; G01N2203/0014; G01N2203/0016; G01N2203/0017; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A TENSILE TESTING FIBER SPECIMEN CLAMP COMPRISING A GRIPPING JAW HOLDER HAVING SUBSTANTIALLY CYLINDRICAL HOLLOW SIDES AND A BASE AT ONE END OF SAID SIDES, SAID BASE BEING CONSTRUCTED FOR SECURING THE CLAMP TO TENSILE TESTING EQUPMENT, SAID HOLDER SIDES HAVING A PAIR OF SUBSTANTIALLY DIAMETRICALLY OPPOSED SLITS LONGITUDINALLY THEREOF BIFURCATING SAID SIDES INTO TWO GRIPPING SIDE PARTS AND PROVIDING FOR FLEXIBLY TRANSVERSELY MOVING SAID SIDE PARTS TOGETHERM SAID HOLDER HAVING OPPOSED SUBSTANTIALLY ENLARGED OPENINGS AT THE INNER ENDS OF SAID SLITS PROVIDING SUBSTANTIAL REDUCTIONS IN THE SECTIONS OF SAID SIDES THEREBETWEEN, A PAIR OF SUBSTANTIALLY SEMICYLINDRICAL JAWS SECURED ONE WITHIN EACH OF SAID HOLDER SIDE PARTS, SAID JAWS BEING MADE OF A SUBSTANTIALLY RIGID SOLID RESILIENTLY DEFORMABLE PLASTIC MATERIAL HAVING THE CHARACTERISTIC OF BEING READILY DEFORMABLE BY A TEST SPECIMEN FIBER WHEN CLAMPED TOGETHER AND SUFFICIENTLY RIGID WITH A COEFFICIENT OF FRICTION RELATIVE TO THE TEST SPECIMEN TO PREVENT RELATIVE SLIPPAGE THEREBE-
Claim 2
Dependent Claim
153 words
A TENSILE TESTING FIBER SPECIMEN CLAMP COMPRISING A GRIPPING JAW HOLDER HAVING SUBSTANTIALLY CYLINDRICAL HOLLOW SIDES AND A BASE AT ONE END OF SAID SIDES, SAID BASE BEING CONSTRUCTED FOR SECURING THE CLAMP TO TENSILE TESTING EQUPMENT, SAID HOLDER SIDES HAVING A PAIR OF SUBSTANTIALLY DIAMETRICALLY OPPOSED SLITS LONGITUDINALLY THEREOF BIFURCATING SAID SIDES INTO TWO GRIPPING SIDE PARTS AND PROVIDING FOR FLEXIBLY TRANSVERSELY MOVING SAID SIDE PARTS TOGETHERM SAID HOLDER HAVING OPPOSED SUBSTANTIALLY ENLARGED OPENINGS AT THE INNER ENDS OF SAID SLITS PROVIDING SUBSTANTIAL REDUCTIONS IN THE SECTIONS OF SAID SIDES THEREBETWEEN, A PAIR OF SUBSTANTIALLY SEMICYLINDRICAL JAWS SECURED ONE WITHIN EACH OF SAID HOLDER SIDE PARTS, SAID JAWS BEING MADE OF A SUBSTANTIALLY RIGID SOLID RESILIENTLY DEFORMABLE PLASTIC MATERIAL HAVING THE CHARACTERISTIC OF BEING READILY DEFORMABLE BY A TEST SPECIMEN FIBER WHEN CLAMPED TOGETHER AND SUFFICIENTLY RIGID WITH A COEFFICIENT OF FRICTION RELATIVE TO THE TEST SPECIMEN TO PREVENT RELATIVE SLIPPAGE THEREBE-
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |