US3233348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated insole
Assignee: Individual
•
Filing: 1961-12-06
•
Granted: 1966-02-08
•
Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 Francis M Gilkerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/141; A43B13/00; A43B13/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN INSOLE COMPRISING MULTIPLE LAYERS OF MATERIALS OF DIFFERENT DENSITIES AND FLEXIBILITIES BONDED TOGETHER AS A UNIT, A SHAPE DETERMINING LAYER BEING FORMED WITH THE UPPER SURFACE THEREOF CONTOURED AND ADAPTED TO FIT A FOOT OF A WEARER, AN INSERT LAYER OF MATERIAL FIRM ENOUGH TO RECEIVE AND RETAIN NAILS BEING DISPOSED IN THE HEEL AREA AND EXTENDING A SUBSTANTIAL DISTANCE FORWARDLY THEREFROM, AND A BOTTOM LAYER OF LESS THICKNESS THAN THE SHAPE DETERMINING LAYER MAINTAINING THE DIMENSIONAL INTEGRITY OF THE INSOLE BONDED TO THE BOTTOM OF SAID SHAPE DETERMINING LAYER.
Claim 2
Dependent Claim
91 words
AN INSOLE COMPRISING MULTIPLE LAYERS OF MATERIALS OF DIFFERENT DENSITIES AND FLEXIBILITIES BONDED TOGETHER AS A UNIT, A SHAPE DETERMINING LAYER BEING FORMED WITH THE UPPER SURFACE THEREOF CONTOURED AND ADAPTED TO FIT A FOOT OF A WEARER, AN INSERT LAYER OF MATERIAL FIRM ENOUGH TO RECEIVE AND RETAIN NAILS BEING DISPOSED IN THE HEEL AREA AND EXTENDING A SUBSTANTIAL DISTANCE FORWARDLY THEREFROM, AND A BOTTOM LAYER OF LESS THICKNESS THAN THE SHAPE DETERMINING LAYER MAINTAINING THE DIMENSIONAL INTEGRITY OF THE INSOLE BONDED TO THE BOTTOM OF SAID SHAPE DETERMINING LAYER.
References Cited (Backward Citations)
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US2177156A
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US2414542A
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Cited
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US2979835A
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |