Patent US3326564A successfully refreshed from Google Patents.
US3326564A
Expired / Lapsed
US
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Ski with torsional-responsive rigidity
Assignee: Individual
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Filing: 1964-10-28
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Granted: 1967-06-20
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Johan G F Heuvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:46
CPC Classifications
A; A63; A63C; A63C9/00; A63C5/00; A63C5/06; A63C5/07; A63C5/12; A63C5/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A PAIR OF SKIS FOR NEGOTIATING A SNOW-COVERED SLOPE, AT LEAST ONE SKI COMPRISING AN ELONGATED BODY MEMBER, MEANS ON SAID BODY MEMBER FOR AFFORDING PROGRESSIVE TORSIONAL RIGIDITY FROM A FREE SIDE-SLIP DURING A TURN TO EDGING OF SAID SKI, SAID MEANS COMPRISING A WEAKENED PORTION COMPRISING RELIEF GROOVE MEANS OPENING INTO THE UPPER SURFACE OF SAID BODY MEMBER, SAID RELIEF GROOVE MEANS INCLUDING UPPER OPPOSED EDGE PORTIONS ENGAGEABLE DURING TORSIONAL DEFLECTION FOR DETERMINING MAXIMUM TORSIONAL DEFLECTION PRIOR TO EDGING OF THE SKI BODY MEMBER.
Claim 2
Dependent Claim
86 words
IN A PAIR OF SKIS FOR NEGOTIATING A SNOW-COVERED SLOPE, AT LEAST ONE SKI COMPRISING AN ELONGATED BODY MEMBER, MEANS ON SAID BODY MEMBER FOR AFFORDING PROGRESSIVE TORSIONAL RIGIDITY FROM A FREE SIDE-SLIP DURING A TURN TO EDGING OF SAID SKI, SAID MEANS COMPRISING A WEAKENED PORTION COMPRISING RELIEF GROOVE MEANS OPENING INTO THE UPPER SURFACE OF SAID BODY MEMBER, SAID RELIEF GROOVE MEANS INCLUDING UPPER OPPOSED EDGE PORTIONS ENGAGEABLE DURING TORSIONAL DEFLECTION FOR DETERMINING MAXIMUM TORSIONAL DEFLECTION PRIOR TO EDGING OF THE SKI BODY MEMBER.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |