Patent US3103673A successfully refreshed from Google Patents.
US3103673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water ski attachment
Assignee: Marapost Space Corp
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Filing: 1962-08-13
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Granted: 1963-09-17
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Jr James H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:02
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
IN A WATER SKI CONSTRUCTION, THE COMBINATION OF: AN ELONGATED SKI BODY HAVING A SUBSTANTIALLY PLANAR UNDERSURFACE; AND A STABILIZING SKEG SECURED TO THE REARWARD EXTREMITY OF SAID UNDERSURFACE INCLUDING A MOUNTING PORTION, AN INTERMEDIATE VANE PORTION DISPOSED BELOW SAID
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |