US3253601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conforming foot cushioning device for footwear
Assignee: Individual
•
Filing: 1963-09-06
•
Granted: 1966-05-31
•
Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 William M Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:30
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/142; A43B1/00; A43B17/00; A43B17/02; A43B17/14; A43B7/1445; A43B7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A FOOT CUSHIONING DEVICE FOR PLACEMENT IN CONTACT WITH A FOOT IN ARTICLE OF FOOTWEAR AND EMBODYING: A LAYER OF SUBSTANTIAL THICKNESS OF THERMOPLASTIC FOAM CUSHIONING MATERIAL HAVING 70% TO 100% GAS FILLED CLOSED CELLS THROUGHOUT AND AN OUTER IMPERVIOUS SKIN, SAID LAYER CONFORMING UNDER FOOT PRESSURE TO THE SURFACE OF A FOOT AND BEING POSSESSED OF A LOW RECOVERY FACTOR OF LESS THAN 70% IN A TWO HOUR INTERVAL AFTER REMOVAL OF FOOT PRESSURE.
Claim 2
Dependent Claim
75 words
A FOOT CUSHIONING DEVICE FOR PLACEMENT IN CONTACT WITH A FOOT IN ARTICLE OF FOOTWEAR AND EMBODYING: A LAYER OF SUBSTANTIAL THICKNESS OF THERMOPLASTIC FOAM CUSHIONING MATERIAL HAVING 70% TO 100% GAS FILLED CLOSED CELLS THROUGHOUT AND AN OUTER IMPERVIOUS SKIN, SAID LAYER CONFORMING UNDER FOOT PRESSURE TO THE SURFACE OF A FOOT AND BEING POSSESSED OF A LOW RECOVERY FACTOR OF LESS THAN 70% IN A TWO HOUR INTERVAL AFTER REMOVAL OF FOOT 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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |