US3374561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic pad for ski boot
Assignee: Emerson Process Management Ltd
•
Filing: 1965-10-20
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Granted: 1968-03-26
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Frank D Werner
- 👤 Paul S Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:57
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/04; A43B5/0405; A43B5/0407; A43B5/0427; A43B5/0452; A43B5/0454; A43B5/0462; A43B5/0496
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |