US3661823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyfluorohydrocarbon resin compositions as cushion and cover compositions for v-belts
Assignee: Goodyear Tire and Rubber Co
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Filing: 1970-04-22
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Granted: 1972-05-09
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Expires: 1990-04-22
Abstract
Abstract V-BELTS CONTAINING THE CUSHION COMPOSITIONS AND/OR ELASTOMERIC IMPREGNATED FABRIC ENVELOPES WHICH CONTAIN POLYFLUOROHYDROCARBON RESINS WHICH INCREASE THE RESISTANCE TO FAILURE DUE TO FLEXING OF SAID V-BELTS.
Inventors
- 👤 Sidney R Fix
- 👤 Stanley W Olson
- 👤 John C Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:18
CPC Classifications
B; B29; B29D; B29D29/00; C; C08; C08L; C08L21/00
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |