Patent US3446175A successfully refreshed from Google Patents.
US3446175A
Expired / Lapsed
US
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Marginal terrain vehicle
Assignee: AEROPHYSICS CO
•
Filing: 1967-07-26
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Granted: 1969-05-27
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Gabriel D Boehler
- 👤 William F Foshag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:37
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B62; B62D; B62D53/00; B62D53/02; B62D53/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3057319A
Cited
US3266757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |