Patent US2890496A successfully refreshed from Google Patents.
US3140601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber strength measuring device
Assignee: Onderzoekings Instituut Research
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Filing: 1962-06-22
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Granted: 1964-07-14
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Weyland Herman Gerrit
- 👤 Westmijze Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:42
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/16; G01N3/02; G01N3/06; G01N3/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
AN APPARATUS FOR TESTING THE TENSILE STRENGTH OF STRAND-LIKE MATERIAL HAVING A CAPACITOR ASSEMBLY COOPERATING WITH AN ELECTRIC BRIDGE COMPRISING AN INTEGRAL U-SHAPED FRAME INCLUDING A FIRST AND A SECOND HORIZONTAL LEG PARALLEL TO EACH OTHER AND A VERTICAL YOKE CONNECTING SAID LEGS, SAID SECOND LEG BEING PROVIDED WITH AN APERTURE, A FIRST, A SECOND AND A THIRD BLOCK, A FIRST AND A SECOND CAPACITOR PLATE, SAID FIRST AND SAID SECOND PLATE BEING ATTACHED TO SAID FIRST AND SAID SECOND LEG BY MEANS OF SAID FIRST AND SAID SECOND BLOCK RESPECTIVELY, A THIRD CAPACITOR PLATE, SAID THIRD PLATE BEING ARRANGED BETWEEN SAID FIRST AND SAID SECOND PLATE, AT LEAST ONE HORIZONTAL SPRING MEMBER, SAID SPRING MEMBER BEING ASSEMBLED WITH SAID YOKE, A VERTICAL MEMBER BEING ATTACHED TO SAID HORIZONTAL SPRING MEMBER, SAID THIRD PLATE BEING SECURED TO SAID VERTICAL MEMBER BY MEANS OF SAID THIRD BLOCK, A VERTICAL ROD AND A FIRST FIXED CLAMP, SAID ROD PENETRATING SAID APERTURE AND CONNECTING SAID FIRST CLAMP TO SAID VERTICAL MEMBER, A SECOND MOVABLE CLAMP, SAID FIRST AND SAID SECOND CLAMP ADAPTED TO RECEIVE SAID MATERIAL THEREBETWEEN, MEANS TO MOVE SAID SECOND CLAMP TOWARD AND AWAY FROM SAID FIRST CLAMP, MEANS TO INDICATE THE TENSILE FORCE APPLIED TO SAID MATERIAL BY SAID MEANS TO MOVE SAID SECOND CLAMP AND MEANS TO INDICATE THE ELONGATION OF SAID MATERIAL RESULTING FROM SAID TENSILE FORCE.
Claim 2
Independent Claim
229 words
AN APPARATUS FOR TESTING THE TENSILE STRENGTH OF STRAND-LIKE MATERIAL HAVING A CAPACITOR ASSEMBLY COOPERATING WITH AN ELECTRIC BRIDGE COMPRISING AN INTEGRAL U-SHAPED FRAME INCLUDING A FIRST AND A SECOND HORIZONTAL LEG PARALLEL TO EACH OTHER AND A VERTICAL YOKE CONNECTING SAID LEGS, SAID SECOND LEG BEING PROVIDED WITH AN APERTURE, A FIRST, A SECOND AND A THIRD BLOCK, A FIRST AND A SECOND CAPACITOR PLATE, SAID FIRST AND SAID SECOND PLATE BEING ATTACHED TO SAID FIRST AND SAID SECOND LEG BY MEANS OF SAID FIRST AND SAID SECOND BLOCK RESPECTIVELY, A THIRD CAPACITOR PLATE, SAID THIRD PLATE BEING ARRANGED BETWEEN SAID FIRST AND SAID SECOND PLATE, AT LEAST ONE HORIZONTAL SPRING MEMBER, SAID SPRING MEMBER BEING ASSEMBLED WITH SAID YOKE, A VERTICAL MEMBER BEING ATTACHED TO SAID HORIZONTAL SPRING MEMBER, SAID THIRD PLATE BEING SECURED TO SAID VERTICAL MEMBER BY MEANS OF SAID THIRD BLOCK, A VERTICAL ROD AND A FIRST FIXED CLAMP, SAID ROD PENETRATING SAID APERTURE AND CONNECTING SAID FIRST CLAMP TO SAID VERTICAL MEMBER, A SECOND MOVABLE CLAMP, SAID FIRST AND SAID SECOND CLAMP ADAPTED TO RECEIVE SAID MATERIAL THEREBETWEEN, MEANS TO MOVE SAID SECOND CLAMP TOWARD AND AWAY FROM SAID FIRST CLAMP, MEANS TO INDICATE THE TENSILE FORCE APPLIED TO SAID MATERIAL BY SAID MEANS TO MOVE SAID SECOND CLAMP AND MEANS TO INDICATE THE ELONGATION OF SAID MATERIAL RESULTING FROM SAID TENSILE FORCE.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |