Patent US4409287A successfully refreshed from Google Patents.
US4409287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski protective device
Assignee: Individual
•
Filing: 1981-06-09
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Granted: 1983-10-11
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Expires: 2001-06-09
Abstract
Abstract A transparent, flexible, scratch resistant covering (12) is adhesively affixed to the top surface of a snow ski (10). The covering protects the top surface of the ski against scratching during use. The covering is preferably a sheet of plasticized ionomer resin.
Inventors
- 👤 Thomas B. Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:22
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/003; Y; Y10; Y10S; Y10S273/00; Y10S273/22; Y10S525/00; Y10S525/919; Y10T; Y10T428/00; Y10T428/14; Y10T428/1452; Y10T428/1471; Y10T428/28; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928; Y10T428/31935; Y10T428/31938
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
41 words
A protective covering for use on the upper surface of a snow ski comprising a sheet of a plasticized mixture of ionomer resin and polyethylene resin, and a layer of pressure-sensitive adhesive resin bonded to one side of said plasticized sheet.
Claim 2
Dependent Claim
41 words
A protective covering for use on the upper surface of a snow ski comprising a sheet of a plasticized mixture of ionomer resin and polyethylene resin, and a layer of pressure-sensitive adhesive resin bonded to one side of said plasticized sheet.
Claim 3
Dependent Claim
25 words
The protective ski covering as defined in claim 1 wherein said ionomer resin comprises 75% by weight, and said polyethylene resin comprises 25% by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |