Patent US4232459A successfully refreshed from Google Patents.
US4232459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski boots
Assignee: Nordica SpA
•
Filing: 1978-10-30
•
Granted: 1980-11-11
•
Expires: 1998-10-30
Abstract
Abstract A ski boot comprises, between the shell and the inshoe, a bladder (1) connected to a resilient chamber (2) incorporated in the ski boot and connected by an air delivery conduit (5) to the bladder (1), in such a way as to cause the position of the resilient chamber to be independent from the position and configuration of the bladder.
Inventors
- 👤 Franco Vaccari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:34
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/04; A43B5/0405; A43B5/0407
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
80 words
A ski boot comprising a shell, an inshoe within said shell, a bladder member between said shell and said inshoe, pumping means incorporated within said shell, a delivery valve between said pumping means and said bladder member for delivering air from said pumping means to said bladder member, and means for discharging air from said bladder member, wherein said bladder member is connected with said pumping means and said discharge means through conduits developing between said inshoe and said shell.
Claim 2
Dependent Claim
80 words
A ski boot comprising a shell, an inshoe within said shell, a bladder member between said shell and said inshoe, pumping means incorporated within said shell, a delivery valve between said pumping means and said bladder member for delivering air from said pumping means to said bladder member, and means for discharging air from said bladder member, wherein said bladder member is connected with said pumping means and said discharge means through conduits developing between said inshoe and said shell.
Claim 3
Dependent Claim
51 words
A ski boot as claimed in claim 1, wherein said air discharging means comprise a discharge valve separate from said pumping means and housed within said shell to be operable from outside of said shell, said bladder member being connected to said pumping means and said discharge valve through separate conduits.
Claim 4
Dependent Claim
35 words
A ski boot as claimed in claim 1, wherein said conduits comprise a delivery conduit connecting said pumping means with said bladder member and a branch conduit connecting said discharge means with said delivery conduit.
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) | 1983-11-11 | 1984-05-12 | 1984-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-11 | 1988-05-12 | 1988-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-11 | 1992-05-12 | 1992-11-11 | $7700.00 | Window Closed / Lapsed |