Patent US3382836A successfully refreshed from Google Patents.
US3382836A
Expired / Lapsed
US
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Devices for rendering land vehicles amphibious
Assignee: Individual
•
Filing: 1966-05-19
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Granted: 1968-05-14
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Expires: 1986-05-19
Abstract
No abstract record available.
Inventors
- 👤 Hume Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:54
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/003; B60F3/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1526258A
Cited
US1804262A
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US2588084A
Cited
DE1002650B
Cited
US3099977A
Cited
US3011184A
Cited
US3308782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |