Patent US3441286A successfully refreshed from Google Patents.
US3441286A
Expired / Lapsed
US
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Ski release harness
Assignee: EMMETT A DE GROOD
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Filing: 1967-06-07
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Granted: 1969-04-29
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Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 Emmett A De Grood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:18
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/086; A63C9/084; A63C9/0841; A63C9/0842; A63C9/0846; A63C9/085; A63C9/08535; A63C9/08542; A63C9/0855; A63C9/08557; A63C9/08564; A63C9/08578; A63C9/005; A63C9/0805
Claims Analysis
Total Claims: 0
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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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |