US2661041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tread construction for tire casings
Assignee: Armstrong Rubber Co
•
Filing: 1950-03-23
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Granted: 1953-12-01
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Expires: 1970-03-23
Abstract
No abstract record available.
Inventors
- 👤 James A Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:08
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/03; B60C11/13; B60C11/1369; B60C11/0306; B60C11/0309; B60C11/04; B60C11/042; B60C11/1307; B60C2011/1338; Y; Y10; Y10S; Y10S152/00; Y10S152/01; Y10S152/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |