US3071877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inner sole having low frictional portions
Assignee: Individual
•
Filing: 1959-10-19
•
Granted: 1963-01-08
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Stickles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:08
CPC Classifications
A; A43; A43B; A43B17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN INNER SOLE FOR A SHOE HAVING A SOLE, SAID INNER SOLE BEING THE UPPERMOST ELEMENT OF THE SOLE CONSTRUCTION AND FORMING THE UPPER SURFACE THEREOF, SAID INNER SOLE COMPRISING A LAYER OF UNBROKEN SOLID SOLE MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS AND A STRIP OF A TETRAFLUOROETHYLENE RESIN FILM SEAMLESSLY ATTACHED TO THE UPPER SURFACE OF SAID MATERIAL TO RECEIVE THE BALL OF THE FOOT BUT TERMINATING BBEFORE REACHING THE TOE-RECEIVING PORTION OF THE INNER SOLE.
Claim 2
Dependent Claim
76 words
AN INNER SOLE FOR A SHOE HAVING A SOLE, SAID INNER SOLE BEING THE UPPERMOST ELEMENT OF THE SOLE CONSTRUCTION AND FORMING THE UPPER SURFACE THEREOF, SAID INNER SOLE COMPRISING A LAYER OF UNBROKEN SOLID SOLE MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS AND A STRIP OF A TETRAFLUOROETHYLENE RESIN FILM SEAMLESSLY ATTACHED TO THE UPPER SURFACE OF SAID MATERIAL TO RECEIVE THE BALL OF THE FOOT BUT TERMINATING BBEFORE REACHING THE TOE-RECEIVING PORTION OF THE INNER SOLE.
References Cited (Backward Citations)
US1780574A
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US2274205A
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US2318926A
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US2491280A
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US2691814A
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US2917842A
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |