Patent US3190646A successfully refreshed from Google Patents.
US3190646A
Expired / Lapsed
US
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Water sking facility
Assignee: Individual
•
Filing: 1961-07-25
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Granted: 1965-06-22
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Arnold H Forsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:32
CPC Classifications
B; B61; B61B; B61B11/00; B63; B63B; B63B34/00; B63B34/60; B63B34/63
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
IN A WATER SKI TOWING SYSTEM, A PLUALITY OF TOW UNITS, EACH OF SAID SKI TOW UNITS COMPRISING A WHEELED TRUCK FOR ROLLABLY ENGAGING AN OVERHEAD RAIL, A BODY HOUSING DEPENDING FROM SAID TRUCK, MOTIVE MEANS CARRIED WITHIN SAID HOUSING AND COUPLED IN DRIVING RELATION TO THE WHEELS OF SAID TRUCK INDEPENDENT MOTIVE CONTROL MEANS ATTACHED TO SAID MOTIVE MEANS FOR INDIVIDUALLY CONTROLLING EACH OF SAID TOW UNITS, A TOW ARM DEPENDING FROM SAID HOUSING, AND A TOW ROPE EXTENDING FROM SAID TOW ARM.
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |