Patent US3284823A successfully refreshed from Google Patents.
US3284823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski stabilizer
Assignee: Individual
•
Filing: 1964-10-08
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Granted: 1966-11-15
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Lu Verne G Steffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:33
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN COMBINATION WITH A WATER SKI OF THE TYPE INCLUDING A NARROW ELONGATED BODY HAVING FRONT AND REAR ENDS AND A PLANNING UNDERSURFACE HAVING A GENERALLY LONGITUDINALLY STRAIGHT REAR END PORTION ADAPTED TO PLANE OVER THE SURFACE OF A BODY OF WATER AND TERMINATING AT ITS FORWARD END IN AN UPWARDLY CURVING FORWARD END PORTION, SAID WATER SKI BEING ADAPTED TO PLANE OVER THE SURFACE OF SAID WATER WITH AT LEAST THE FORWARD END OF SAID REAR END PORTION DISPOSED IMMEDIATELY ADJACENT SAID FORWARD END PORTION LIFTED ABOVE SAID SURFACE, AN ELONGATED GENERALLY TROUGH-SHAPED MEMBER EXTENDING LONGITUDINALLY OF SAID UNDERSURFACE AND INCLUDING UPPER EDGE PORTIONS SECURED TO SAID UNDERSURFACE, THE FORWARD END OF SAID TROUGH-SHAPED MEMBER BEING DISPOSED AT A POINT ADJACENT THE JUNCTURE OF SAID REAR AND FRONT END PORTIONS OF THE UNDERSURFACE OF SAID SKI AND INCLUDING FORWARDLY AND DOWNWARDLY OPENING AIR INLET MEANS, THE REAR END OF SAID TROUGH-SHAPED MEMBER INCLUDING A REARWARDLY OPENING AIR OUTLET MEANS.
Claim 2
Dependent Claim
160 words
IN COMBINATION WITH A WATER SKI OF THE TYPE INCLUDING A NARROW ELONGATED BODY HAVING FRONT AND REAR ENDS AND A PLANNING UNDERSURFACE HAVING A GENERALLY LONGITUDINALLY STRAIGHT REAR END PORTION ADAPTED TO PLANE OVER THE SURFACE OF A BODY OF WATER AND TERMINATING AT ITS FORWARD END IN AN UPWARDLY CURVING FORWARD END PORTION, SAID WATER SKI BEING ADAPTED TO PLANE OVER THE SURFACE OF SAID WATER WITH AT LEAST THE FORWARD END OF SAID REAR END PORTION DISPOSED IMMEDIATELY ADJACENT SAID FORWARD END PORTION LIFTED ABOVE SAID SURFACE, AN ELONGATED GENERALLY TROUGH-SHAPED MEMBER EXTENDING LONGITUDINALLY OF SAID UNDERSURFACE AND INCLUDING UPPER EDGE PORTIONS SECURED TO SAID UNDERSURFACE, THE FORWARD END OF SAID TROUGH-SHAPED MEMBER BEING DISPOSED AT A POINT ADJACENT THE JUNCTURE OF SAID REAR AND FRONT END PORTIONS OF THE UNDERSURFACE OF SAID SKI AND INCLUDING FORWARDLY AND DOWNWARDLY OPENING AIR INLET MEANS, THE REAR END OF SAID TROUGH-SHAPED MEMBER INCLUDING A REARWARDLY OPENING AIR OUTLET MEANS.
References Cited (Backward Citations)
US1831697A
Cited
US1877380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |