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Patent US3486920A successfully refreshed from Google Patents.
US3486920A
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Process for backing textiles with rubber and resultant product
Assignee: Individual
•
Filing: 1968-04-08
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Granted: 1969-12-30
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Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Edward Peter Campbell Sington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24636; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235148A
Cited
US2318702A
Cited
US2585109A
Cited
US2776233A
Cited
US3301740A
Cited
US3236926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |