US2979100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire construction
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-04-17
•
Granted: 1961-04-11
•
Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 William R Woodall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/0005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1213476A
Cited
US1575966A
Cited
GB187149A
Cited
US1530574A
Cited
US2006315A
Cited
US1987350A
Cited
US2348350A
Cited
US2452998A
Cited
US2645265A
Cited
FR1076572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |