US2744559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless tire valve stem
Assignee: Dill Manufacturing Co
•
Filing: 1953-02-11
•
Granted: 1956-05-08
•
Expires: 1973-02-11
Abstract
No abstract record available.
Inventors
- 👤 Ronald W Leonetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
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)
US1755104A
Cited
US1978953A
Cited
US1913222A
Cited
US1901391A
Cited
US2054965A
Cited
US2587470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |