Patent US3570029A successfully refreshed from Google Patents.
US3570029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination boat seat and gangplank
Assignee: Individual
•
Filing: 1969-09-22
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Granted: 1971-03-16
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Expires: 1989-09-22
Abstract
Abstract A COMBINATION BOAT SEAT AND GANGPLANK THAT FEATURES A SERIES OF TELESCOPING SECTIONS THAT MAY BE MOVED BETWEEN OPEN AND CLOSED POSITION WITHIN A BOAT OR OTHER LIKE OBJECT AND FURTHER FEATURING A PIVOTAL MOUNTING THAT PERMITS THE ENTIRE UNIT TO BE SWUNG AROUND A PIVOT POINT AND EXTENDED FOR USE AS A GANGPLANK.
Inventors
- 👤 Teddy J Hunsaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14; B63B2027/141
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |