US3127622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water ski apparatus
Assignee: Individual
•
Filing: 1961-08-21
•
Granted: 1964-04-07
•
Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph B Drennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:27
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/50; B63B34/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN WATER SKI APPARATUS, AN INTERMEDIATE WATER SKI ADAPTED TO BE PULLED ALONG THE SURFACE OF WATER, A SIDE SKI POSITIONED ON EACH SIDE OF SAID INTERMEDIATE SKI AT AN ELEVATION ABOVE THE INTERMEDIATE SKI, THE BOTTOM CONTACT SURFACES OF SAID SIDE SKIS BEING SLANTED OUTWARDLY AT AN ANGLE WITH RESPECT TO THE BOTTOM CONTACT SURFACE OF SAID INTERMEDIATE SKI, A PLATFORM OVER ALL OF SAID SKIS AND SPACED THEREFROM, AND SUPPORT MEMBERS EXTENDING BETWEEN AND SECURED TO THE UNDERSURFACE OF THE PLATFORM AND THE UPPER SURFACE OF THE SKIS, SAID SIDE SKIS BEING OF A LENGTH GREATER THAN THE LENGTH OF SAID PLATFORM.
Claim 2
Dependent Claim
104 words
IN WATER SKI APPARATUS, AN INTERMEDIATE WATER SKI ADAPTED TO BE PULLED ALONG THE SURFACE OF WATER, A SIDE SKI POSITIONED ON EACH SIDE OF SAID INTERMEDIATE SKI AT AN ELEVATION ABOVE THE INTERMEDIATE SKI, THE BOTTOM CONTACT SURFACES OF SAID SIDE SKIS BEING SLANTED OUTWARDLY AT AN ANGLE WITH RESPECT TO THE BOTTOM CONTACT SURFACE OF SAID INTERMEDIATE SKI, A PLATFORM OVER ALL OF SAID SKIS AND SPACED THEREFROM, AND SUPPORT MEMBERS EXTENDING BETWEEN AND SECURED TO THE UNDERSURFACE OF THE PLATFORM AND THE UPPER SURFACE OF THE SKIS, SAID SIDE SKIS BEING OF A LENGTH GREATER THAN THE LENGTH OF SAID PLATFORM.
References Cited (Backward Citations)
US792368A
Cited
US1559390A
Cited
US1903930A
Cited
US2266842A
Cited
US2443348A
Cited
US2865032A
Cited
US2841406A
Cited
US2929348A
Cited
US2959795A
Cited
US2938220A
Cited
US3026120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |