US3446302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle drive system
Assignee: Katrak Vehicle Co
•
Filing: 1967-08-15
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Granted: 1969-05-27
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Expires: 1987-08-15
Abstract
No abstract record available.
Inventors
- 👤 Richard H A Schoonover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
B; B62; B62D; B62D59/00; B62D59/02; B60; B60G; B60G5/00; B60G5/04; B60G5/06; B60K; B60K17/00; B60K17/36; B62D53/00; B62D53/005; B62D55/00; B62D55/04; B62D55/06; B62D55/065; B62D55/0655; B62D55/08; B62D55/12; B62D55/14; B62D55/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1255218A
Cited
FR21560E
Cited
US2124708A
Cited
US2380181A
Cited
US2878883A
Cited
US3107924A
Cited
US3299978A
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 |