Patent US3719008A successfully refreshed from Google Patents.
US3719008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski sharpening vise
Assignee: Individual
•
Filing: 1971-05-26
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Granted: 1973-03-06
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Expires: 1991-05-26
Abstract
Abstract A CLAMPING ARRANGEMENT FOR HOLDING A PAIR OF SNOW SKIS WHILE SHARPENING IN WHICH A PLURALITY OF FIXED UPRIGHTS FROM AN ELONGATED BASE ARE ARRANGED TO DISTORT THE SKIS AGAINST THEIR INHERRNE ELASTICITY WITH THE SKIS SPACED PARALLEL AND RESTING ON EDGE, AND A METHOD FOR SHARPENING SKIS SO HELD BY ABRADING THE EXPOSED EDGES WITH AN IMPLEMENT MAINTAINED AT A PREDETERMINED ANGLE TO THE EXPOSED EDGES BY VIRTUE OF THE ALIGNMENT GUIDE PRESENTED BY THE TWO EDGES THEMSELVES.
Inventors
- 👤 M Mayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:16
CPC Classifications
B; B23; B23Q; B23Q3/00; A; A63; A63C; A63C11/00; A63C11/04; A63C11/06; B24; B24B; B24B41/00; B24B41/06; B23Q2703/00; Y; Y10; Y10S; Y10S269/00; Y10S269/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |