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 01:07
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.
References Cited (Backward Citations)
US2288686A
Cited
US2504704A
Cited
US2546827A
Cited
US2626886A
Cited
US2760281A
Cited
US2878153A
Cited
US2917846A
Cited
US2953130A
Cited
US2878593A
Cited
US2961780A
Cited
US3121430A
Cited
US3134381A
Cited
US3135265A
Cited
US3170250A
Cited
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 |