US3224763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry skiing surface
Assignee: Ski-Dek Corp
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Filing: 1962-02-05
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Granted: 1965-12-21
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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
2026-10-25 13:15
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/10; E01C13/12; Y; Y10; Y10S; Y10S273/00; Y10S273/05; Y10S273/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A DRY SKI MEDIUM WHICH IS FLEXIBLE, RESILIENT AND SLIPPERY AND WHICH IS FORMED AND ADAPTED TO PROVIDE EDGE CONTROL FOR SKIERS THEREON, INCLUDING AN UPWARDLY INCLINDED CONTINUOUS UNINTERRUPTED SKI SURFACE FORMED WITH A PLURALITY OF ADJACENT PROJECTIONS EACH OF, WHICH GRADUALLY AND GENERALLY UNIFORMLY DECREASE IN CROSS SECTIONAL AREA FROM THE BASE OF SAID SURFACE TOWARD THE TOP, SAID PROJECTIONS BEING SUBSTANTIALLY JOINED AT THEIR BASES, EACH OF SAID PROJECTIONS HAVING A SURFACE WHICH FORMS AN ANGLE WITH THE GENERAL PROFILE OF SAID SKI MEDIUM SUCH AS TO GRIP SKIS EDGED THEREON.
Claim 2
Dependent Claim
93 words
A DRY SKI MEDIUM WHICH IS FLEXIBLE, RESILIENT AND SLIPPERY AND WHICH IS FORMED AND ADAPTED TO PROVIDE EDGE CONTROL FOR SKIERS THEREON, INCLUDING AN UPWARDLY INCLINDED CONTINUOUS UNINTERRUPTED SKI SURFACE FORMED WITH A PLURALITY OF ADJACENT PROJECTIONS EACH OF, WHICH GRADUALLY AND GENERALLY UNIFORMLY DECREASE IN CROSS SECTIONAL AREA FROM THE BASE OF SAID SURFACE TOWARD THE TOP, SAID PROJECTIONS BEING SUBSTANTIALLY JOINED AT THEIR BASES, EACH OF SAID PROJECTIONS HAVING A SURFACE WHICH FORMS AN ANGLE WITH THE GENERAL PROFILE OF SAID SKI MEDIUM SUCH AS TO GRIP SKIS EDGED THEREON.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |