US3544370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihydroplaning method for vehicles
Assignee: KENNETH W WREDE
•
Filing: 1967-11-29
•
Granted: 1970-12-01
•
Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Wrede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:18
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/026; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10279
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3041748A
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US3228125A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |