Patent US2759201A successfully refreshed from Google Patents.
US2759201A
Expired / Lapsed
US
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Amphibious device of the foldable outrigger type
Assignee: Individual
•
Filing: 1953-12-28
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Granted: 1956-08-21
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Expires: 1973-12-28
Abstract
No abstract record available.
Inventors
- 👤 Eldon O Mckinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:01
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US22475A
Cited
US392407A
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US650479A
Cited
DE357124C
Cited
US1681071A
Cited
US2233240A
Cited
US2570528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |