US2665732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for tubeless tire diaphragms
Assignee: Bridgestone Firestone Inc
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Filing: 1951-11-27
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Granted: 1954-01-12
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Slezak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:33
CPC Classifications
B; B60; B60C; B60C17/00; B60C17/01; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7887; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522; Y10T152/10576; Y10T152/10612
Claims Analysis
Total Claims: 0
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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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |