US2862539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless tire valve
Assignee: Scovill Inc
•
Filing: 1954-12-17
•
Granted: 1958-12-02
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Selden T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:51
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189616532A
Cited
US1915249A
Cited
US2049252A
Cited
US1978249A
Cited
US2634785A
Cited
US2769476A
Cited
US2818101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |