US3086532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contoured sole for footwear
Assignee: Individual
•
Filing: 1961-09-13
•
Granted: 1963-04-23
•
Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Mistarz Marion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:07
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/02; A43B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN FOOTWEAR, A SUPPORTING LAYER HAVING A RELATIVELY SMOOTH TOP SURFACE AND SKIVED OUT AT ITS UNDERSIDE TO FORM A RECESS AT LEAST IN THE AREA OF THE FORWARD HALF OF THE FOOT, SAID RECESS COMFORMING SUBSTANTIALLY IN ITS OUTLINE TO A FOOTPRINT AND EXTENDING ACROSS THE ENTIRE METATARSAL HEAD AREA SUBSTANTIALLY FROM THE INNER EDGE OF SAID LAYER TO THE OUTER EDGE THEREOF SO AS TO PROVIDE A HOLLOW SPACE WHEREBY UPON APPLICATION OF WEIGHT TO ITS TOP SURFACE SAID SURFACE MAY BE DEPRESSED INTO SAID HOLLOW SPACE.
Claim 2
Dependent Claim
89 words
IN FOOTWEAR, A SUPPORTING LAYER HAVING A RELATIVELY SMOOTH TOP SURFACE AND SKIVED OUT AT ITS UNDERSIDE TO FORM A RECESS AT LEAST IN THE AREA OF THE FORWARD HALF OF THE FOOT, SAID RECESS COMFORMING SUBSTANTIALLY IN ITS OUTLINE TO A FOOTPRINT AND EXTENDING ACROSS THE ENTIRE METATARSAL HEAD AREA SUBSTANTIALLY FROM THE INNER EDGE OF SAID LAYER TO THE OUTER EDGE THEREOF SO AS TO PROVIDE A HOLLOW SPACE WHEREBY UPON APPLICATION OF WEIGHT TO ITS TOP SURFACE SAID SURFACE MAY BE DEPRESSED INTO SAID HOLLOW SPACE.
References Cited (Backward Citations)
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Cited
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US1850977A
Cited
US1945115A
Cited
US2139263A
Cited
US2760281A
Cited
AT200963B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |