US2958875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prow-shaped water sled with manually operated steering apparatus
Assignee: Individual
•
Filing: 1957-09-06
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Granted: 1960-11-08
•
Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 David H Mcclain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:16
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/60; B63B34/50; B63B34/54; B63B32/00; B63B32/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |