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US3606856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclo amphibious
Assignee: Individual
•
Filing: 1969-01-08
•
Granted: 1971-09-21
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Expires: 1989-01-08
Abstract
Abstract AN AMPHIBIOUS APPARATUS THAT INCLUDES FLOATERS, AND A SUPPORTING STRUCTURE TOGETHER WITH MEANS FOR OPERATING THE SAME.
Inventors
- 👤 Ernesto Octavio Moraga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:57
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/0084; B63; B63H; B63H1/00; B63H1/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |