US2947341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless tire
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-08-15
•
Granted: 1960-08-02
•
Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Melvin P Hershey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/0009; B60C15/0072; B60C15/06; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828; Y10T152/10846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2749959A
Cited
FR1084382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |