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US2694580A
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Composite wood and metal ski having plastic running surface
Assignee: Head Ski Co Inc
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Filing: 1951-02-27
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Granted: 1954-11-16
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Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Head Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:52
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/12; C; C07; C07J; C07J13/00; C07J21/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH168471A
Cited
FR766087A
Cited
AT145533B
Cited
US2126152A
Cited
CH226948A
Cited
US2446591A
Cited
GB631879A
Cited
US2525619A
Cited
CH256867A
Cited
CH260334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |