Patent US3769392A successfully refreshed from Google Patents.
US3769392A
Expired / Lapsed
US
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Process for making anatomical padding for ski boots
Assignee: Individual
•
Filing: 1971-02-02
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Granted: 1973-10-30
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Expires: 1991-02-02
Abstract
Abstract A method of making anatomical padding for boots in which a liquid mixture for forming expanded polyurethane is introduced into a confined space between adjacent walls of an inner boot while the inner boot is on the foot of the wearer and an outer boot surrounds the inner boot.
Inventors
- 👤 V Tessaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:48
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/04; A43B5/0405; Y; Y10; Y10S; Y10S264/00; Y10S264/30; Y10S264/77
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |