US3115651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heating shoe stiffeners
Assignee: Individual
•
Filing: 1961-02-21
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Granted: 1963-12-31
•
Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jacob S Kamborian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:27
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF HEATING A SHOE STIFFENER THAT IS RIGID AT AMBIENT TEMPERATURE AND THAT BECOMES FLACCID WHEN HEATED TO A PREDETERMINED TEMPERATURE, WHILE THE STIFFENER IS POSITIONED IN A POCKET FORMED BETWEEN A SHOE UPPER AND A LINER, WITH AN EXPOSED PORTION OF THE STIFFENER PROJECTING ABOVE THE LINER AND THE REMAINDER OF THE STIFFENER CONCEALED WITHIN THE POCKET, COMPRISING: BRINGING A HEATED SURFACE INTO CONTACT WITH THE LINER TO HEAT THE CONCEALED STIFFENER PORTION; AND BRINGING A HEATED GASEOUS MEDIA INTO CONTACT WITH THE EXPOSED PORTION OF THE STIFFENER.
Claim 2
Independent Claim
91 words
THE METHOD OF HEATING A SHOE STIFFENER THAT IS RIGID AT AMBIENT TEMPERATURE AND THAT BECOMES FLACCID WHEN HEATED TO A PREDETERMINED TEMPERATURE, WHILE THE STIFFENER IS POSITIONED IN A POCKET FORMED BETWEEN A SHOE UPPER AND A LINER, WITH AN EXPOSED PORTION OF THE STIFFENER PROJECTING ABOVE THE LINER AND THE REMAINDER OF THE STIFFENER CONCEALED WITHIN THE POCKET, COMPRISING: BRINGING A HEATED SURFACE INTO CONTACT WITH THE LINER TO HEAT THE CONCEALED STIFFENER PORTION; AND BRINGING A HEATED GASEOUS MEDIA INTO CONTACT WITH THE EXPOSED PORTION OF THE STIFFENER.
References Cited (Backward Citations)
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Cited
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |