US2920481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the tendency of pneumatic tires to produce thump
Assignee: Uniroyal Inc
•
Filing: 1953-11-02
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Granted: 1960-01-12
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Hulswit
- 👤 Daniel R Elliott
- 👤 Eugene H Culp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:29
CPC Classifications
G; G01; G01M; G01M17/00; G01M17/007; G01M17/02; G01M17/022; G01H; G01H3/00
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |