US2808867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noiseless tire tread construction
Assignee: Armstrong Rubber Co
•
Filing: 1953-10-26
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Granted: 1957-10-08
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Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Buddenhagen
- 👤 Eugene A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:22
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/03; B60C11/0318; B60C11/0306; B60C11/04; B60C11/12; B60C11/1204; B60C2011/1213; Y; Y10; Y10S; Y10S152/00; Y10S152/03
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |