US2820500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubeless tire
Assignee: Goodrich Corp
•
Filing: 1956-10-17
•
Granted: 1958-01-21
•
Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 William N Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:14
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/0009; B60C15/0081; B60C15/06; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10819; Y10T152/10828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1563672A
Cited
FR640658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |