Patent US3329437A successfully refreshed from Google Patents.
US3329437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottom structure for skis
Assignee: Hart Ski Manufacturing Co Inc
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Filing: 1965-03-10
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Granted: 1967-07-04
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Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Harry E Holmberg
- 👤 Hartvig E Holmberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:42
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A LAMINATED SKI, A BOTTOM STRUCTURE THEREFOR COMPRISING AN ELONGATED SHEET, AND RUNNING EDGE MEANS EXTENDING ALONG EACH SIDE OF SAID SHEET HAVING UPPER AND LOWER FLANGES FORMING A HORIZONTAL GROOVE THEREBETWEEN, THE SIDE MARGINAL PORTIONS OF SAID SHEET EXTENDING INTO SAID GROOVE AND SAID FLANGES BEING CRIMPED THEREAGAINST TO SECURE SAID EDGE MEANS TO SAID SHEET, EACH OF SAID SHEET MEANS ALSO HAVING A DOWNWARDLY PROJECTING FLANGE, AND RUNNING SHEET MEANS BONDED TO THE LOWER FACE OF SAID FIRST SHEET AND EXTENDING LATERALLY BETWEEN SAID DOWNWARDLY PROJECTING FLANGES.
Claim 2
Dependent Claim
90 words
IN A LAMINATED SKI, A BOTTOM STRUCTURE THEREFOR COMPRISING AN ELONGATED SHEET, AND RUNNING EDGE MEANS EXTENDING ALONG EACH SIDE OF SAID SHEET HAVING UPPER AND LOWER FLANGES FORMING A HORIZONTAL GROOVE THEREBETWEEN, THE SIDE MARGINAL PORTIONS OF SAID SHEET EXTENDING INTO SAID GROOVE AND SAID FLANGES BEING CRIMPED THEREAGAINST TO SECURE SAID EDGE MEANS TO SAID SHEET, EACH OF SAID SHEET MEANS ALSO HAVING A DOWNWARDLY PROJECTING FLANGE, AND RUNNING SHEET MEANS BONDED TO THE LOWER FACE OF SAID FIRST SHEET AND EXTENDING LATERALLY BETWEEN SAID DOWNWARDLY PROJECTING FLANGES.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |