US3396690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission for an amphibious vehicle
Assignee: ISHIKAWAJIM HARIMA JUKOGYO KAB
•
Filing: 1966-10-04
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Granted: 1968-08-13
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Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 Tsunazawa Mamoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:10
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/38; B60; B60F; B60F3/00; B60F3/0007; B60F3/0023; B62; B62D; B62D57/00; B62D57/02; B62D57/036; B63B; B63B1/00; B63B1/02; B63B1/10
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |