Patent US2830641A successfully refreshed from Google Patents.
US2830641A
Expired / Lapsed
US
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Tubeless tire valve
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1954-07-20
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Granted: 1958-04-15
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Expires: 1974-07-20
Abstract
No abstract record available.
Inventors
- 👤 Merritt W Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:31
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/02; Y; Y10; Y10S; Y10S152/00; Y10S152/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2038473A
Cited
US2272886A
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US2308952A
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US2225472A
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US2634785A
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US2769476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |