US2997299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating riding device
Assignee: Polyco Inc
•
Filing: 1959-10-22
•
Granted: 1961-08-22
•
Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Clyde Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
A; A63; A63G; A63G13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112712A
Cited
US2198904A
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US2404729A
Cited
US2624579A
Cited
US2688207A
Cited
US2756051A
Cited
US2882050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |