US3398968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski having tensioning means to change the flexibility of the ski
Assignee: Individual
•
Filing: 1966-02-21
•
Granted: 1968-08-27
•
Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Mutzhas Maximilian Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:42
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/06; A63C5/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH185151A
Cited
US2188582A
Cited
FR1118857A
Cited
US2918293A
Cited
FR1269049A
Cited
FR1304880A
Cited
US3300226A
Cited
US3322435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |