Patent US3127622A successfully refreshed from Google Patents.
US3127622A
Expired / Lapsed
US
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Water ski apparatus
Assignee: Individual
•
Filing: 1961-08-21
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Granted: 1964-04-07
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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 07:36
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.
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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 |