Patent US3237319A successfully refreshed from Google Patents.
US3237319A
Expired / Lapsed
US
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Ski boots having a thixotropic material encircling the ankle portion thereof
Assignee: Individual
•
Filing: 1964-06-22
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Granted: 1966-03-01
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Hanson Alden Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:23
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; A43B23/17; A43B5/00; A43B5/04; A43B5/0405; A43B5/0407; Y; Y10; Y10S; Y10S128/00; Y10S128/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A BOOT THAT COVERS THE ANKLE OF THE WEARER, THE IMPROVEMENT WHICH COMPRISES PROVIDING IN COMBINATION WITH SAID BOOT ALONG THE SIDES AND BACK OF THE ANKLE PORTION THEREOF, A PRESSURE COMPENSATING ANKLE SUPPORT THAT ASSUMES THE SHAPE OF THE ANKLE, SAID SUPPORT HAVING COVERED, HIGH-VISCOSITY, THIXOTROPIC MATERIAL MAINTAINED IN PLACE WITHIN A FLEXIBLE, PROTECTIVE, SEALING ENVELOPE, SAID CONFINED THIXOTROPIC MATERIAL NOT SUBSTANTIALLY CHANGING IN VOLUME RESPONSIVE TO AMBIENT TEMPERATURES, HAVING A NOMINAL THICKNESS OF ABOUT 0.04 INCH TO ABOUT 0.6 INCH, AND BEING RESISTANT TO FLOW IN RESPONSE TO INSTANTANEOUS PRESSURE AND FLOWING IN RESPONSE TO CONTINUOUSLY APPLIED PRESSURE TO PROVIDE PRESSURE ON THOSE PORTIONS OF THE ANKLE THAT CAN BEST WITHSTAND IT AND TO ALLOW PORTIONS OF THE ANKLE MOMENTARILY TO MOVE AWAY FROM PRESSURE.
Claim 2
Dependent Claim
128 words
IN A BOOT THAT COVERS THE ANKLE OF THE WEARER, THE IMPROVEMENT WHICH COMPRISES PROVIDING IN COMBINATION WITH SAID BOOT ALONG THE SIDES AND BACK OF THE ANKLE PORTION THEREOF, A PRESSURE COMPENSATING ANKLE SUPPORT THAT ASSUMES THE SHAPE OF THE ANKLE, SAID SUPPORT HAVING COVERED, HIGH-VISCOSITY, THIXOTROPIC MATERIAL MAINTAINED IN PLACE WITHIN A FLEXIBLE, PROTECTIVE, SEALING ENVELOPE, SAID CONFINED THIXOTROPIC MATERIAL NOT SUBSTANTIALLY CHANGING IN VOLUME RESPONSIVE TO AMBIENT TEMPERATURES, HAVING A NOMINAL THICKNESS OF ABOUT 0.04 INCH TO ABOUT 0.6 INCH, AND BEING RESISTANT TO FLOW IN RESPONSE TO INSTANTANEOUS PRESSURE AND FLOWING IN RESPONSE TO CONTINUOUSLY APPLIED PRESSURE TO PROVIDE PRESSURE ON THOSE PORTIONS OF THE ANKLE THAT CAN BEST WITHSTAND IT AND TO ALLOW PORTIONS OF THE ANKLE MOMENTARILY TO MOVE AWAY FROM PRESSURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |