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US2959795A
Expired / Lapsed
US
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Water skis
Assignee: Individual
•
Filing: 1957-09-03
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Granted: 1960-11-15
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Leung Kam Fong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:56
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1091259A
Cited
FR720242A
Cited
US2184791A
Cited
US2248307A
Cited
US2389729A
Cited
US2389001A
Cited
US2716246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |