Patent US2143750A successfully refreshed from Google Patents.
Patent US3177539A successfully refreshed from Google Patents.
US3177539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pintle wires
Assignee: Scapa Inc
•
Filing: 1963-05-08
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Granted: 1965-04-13
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Race Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:26
CPC Classifications
F; F16; F16G; F16G3/00; F16G3/02; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1608; Y10T24/1636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CYLINDRICAL, NON-KINKING PINTLE WIRE FOR USE IN A CLIPPER HINGE WHICH JOINS THE ENDS OF A LENGTH OF NONTUBULAR WOVEN FABRIC TO FORM AN ENDLESS PAPERMAKER''S FLET, SAID WIRE COMPRISING A CYLINDRICAL CENTRAL CORE OF A SYNTHETIC PLASTIC MATERIAL WHICH HAS A HIGH RESISTANCE TO ABRASION, SAID CORE BEING FLEXIBLE TRANSVERSELY OF ITS LENGTH AND HAVING A TORSIONAL RESILIENCE SUFFICIENT TO ALLOW IT TO YIELD UNDER A TORSIONAL STRESS WHICH WOULD OTHERWISE CAUSE KINKING, AND COMPRISING ALSO AT LEAST ONE LAYER OF BRAIDING OF WEAR-RESISTANT SYNTHETIC MATERIAL WHICH EMBRACES AND CONCEALS THE SAID CORE, AND A SYNTHETIC RESIN WHICH COATS AND IMPREGNATES THE BRAIDING.
Claim 2
Dependent Claim
105 words
A CYLINDRICAL, NON-KINKING PINTLE WIRE FOR USE IN A CLIPPER HINGE WHICH JOINS THE ENDS OF A LENGTH OF NONTUBULAR WOVEN FABRIC TO FORM AN ENDLESS PAPERMAKER''S FLET, SAID WIRE COMPRISING A CYLINDRICAL CENTRAL CORE OF A SYNTHETIC PLASTIC MATERIAL WHICH HAS A HIGH RESISTANCE TO ABRASION, SAID CORE BEING FLEXIBLE TRANSVERSELY OF ITS LENGTH AND HAVING A TORSIONAL RESILIENCE SUFFICIENT TO ALLOW IT TO YIELD UNDER A TORSIONAL STRESS WHICH WOULD OTHERWISE CAUSE KINKING, AND COMPRISING ALSO AT LEAST ONE LAYER OF BRAIDING OF WEAR-RESISTANT SYNTHETIC MATERIAL WHICH EMBRACES AND CONCEALS THE SAID CORE, AND A SYNTHETIC RESIN WHICH COATS AND IMPREGNATES THE BRAIDING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |