US2931449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Occupant-controlled, self-propelled, obstruction-climbing vehicle
Assignee: KENTUCKY RES FOUNDATION
•
Filing: 1958-11-12
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Granted: 1960-04-05
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Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Carl A King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:50
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/06; A61G5/061; A61G5/063; A61G5/065; B; B60; B60K; B60K1/00; B62; B62B; B62B5/00; B62B5/02; B62B5/026; B62B2205/00; B62B2205/14; Y; Y10; Y10S; Y10S180/00; Y10S180/907; Y10S280/00; Y10S280/10
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |