Patent US3718995A successfully refreshed from Google Patents.
US3718995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge boot
Assignee: Individual
•
Filing: 1971-06-21
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Granted: 1973-03-06
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Expires: 1991-06-21
Abstract
Abstract A SKI BOOT, ESPECIALY OF SYNTHETIC MATERIAL, HAVING A FIRST UPPER SECTION COMPRISING THE TIP PORTION OF THE BOOT AND AT LEAST A PART OF THE HEEL PORTION F THE BOOT AND ALSO HAVING A SECOND UPPER SECTION OVERLAPPING WITH SAID FIRST UPPER SECTION AND BEING ADAPTED TO RECEIVE THE ANKLE PORTION OF A FOOT, SAID FIRST AND SECOND UPPER SECTIONS BEING PIVOTALLY CONNECTED TO EACH OTHER WITH THE PIVOT AXIS LOCATED NEAR THE SOLE WHILE CUSHIONING MEANS ARE INTERPOSED BETWEN AND CONNECTED TO SAID FIRST AND SECOND UPPER SECTIONS.
Inventors
- 👤 J Graup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:26
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/04; A43B5/0427; A43B5/0452; A43B5/0454; A43B5/0458
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |