Patent US3195889A successfully refreshed from Google Patents.
US3195889A
Expired / Lapsed
US
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Rotating circular ski slope
Assignee: Individual
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Filing: 1962-02-05
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Granted: 1965-07-20
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:16
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/10; A63B; A63B69/00; A63B69/18; E; E01; E01C; E01C13/00; E01C13/10; E01C13/12; Y; Y10; Y10S; Y10S273/00; Y10S273/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SKI SLOPE ASSEMBLY ADAPTED FOR SNOWLESS SKIING INCLUDING A ROTATING SKI RECEIVING SURFACING HAVING A RADIUS SUBSTANTIALLY GREATER THAN AN AVERAGE SKI LENGTH, SAID SURFACING HAVING A PREDETERMINED PROFILE AND THE AXIS OF ROTATION OF SAID SURFACING BEING INCLINED TO THE VERTICAL, A STATIONARY PLATFORM SURROUNDING SAID SKI RECEIVING SURFACING AND HAVING THE SAME GENERAL PROFILE, SAID SKI RECEIVING SURFACING BEING RESILIENT, SLIPPER AND SUFFICIENTLY FLEXIBLE TO PERMIT A SKI EDGE TO SINK THEREIN, SAID SURFACING BEING SUFFICIENTLY STRONG TO RESIST EDGEWISE MOVEMENT OF THE
Claim 2
Dependent Claim
86 words
A SKI SLOPE ASSEMBLY ADAPTED FOR SNOWLESS SKIING INCLUDING A ROTATING SKI RECEIVING SURFACING HAVING A RADIUS SUBSTANTIALLY GREATER THAN AN AVERAGE SKI LENGTH, SAID SURFACING HAVING A PREDETERMINED PROFILE AND THE AXIS OF ROTATION OF SAID SURFACING BEING INCLINED TO THE VERTICAL, A STATIONARY PLATFORM SURROUNDING SAID SKI RECEIVING SURFACING AND HAVING THE SAME GENERAL PROFILE, SAID SKI RECEIVING SURFACING BEING RESILIENT, SLIPPER AND SUFFICIENTLY FLEXIBLE TO PERMIT A SKI EDGE TO SINK THEREIN, SAID SURFACING BEING SUFFICIENTLY STRONG TO RESIST EDGEWISE MOVEMENT OF THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |