US3175309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary shoe and heel
Assignee: J F MCELWAIN Co
•
Filing: 1962-04-05
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Granted: 1965-03-30
•
Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Witt John R De
- 👤 James C Mackay
- 👤 Sr Raymond P Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:13
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/28; A43B13/02; A43B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN INTEGRAL SHOE BOTTOM UNIT COMPRISING A HEEL MOLDED TO FINAL CONFIGURATION AND INCLUDING A BREAST PORTION ON THE FORWARD EDGE THEREOF, A SOLE HAVING A SHANK PORTION AND A TOE PORTION UNITED TO SAID HEEL AT THE BREAST, THE EDGES OF SAID SOLE ANGLING OUTWARDLY AND FORWARDLY ADJACENT THE HEEL BREAST SO THAT THE SOLE HAS A WIDTH IN THE SHANK PORTION THAT IS GREATER THAN THE WIDTH OF THE HEEL, SAID INCREASED SOLE WIDTH CONTINUING AROUND THE PERIPHERY OF THE SOLE, SAID SOLE BEING PROVIDED WITH A WHEELED EDGE ON THE UPPER SURFACE, SAID WHEELING EXTENDING A SUBSTANTIAL DISTANCE INTO THE INTERIOR OF SAID SURFACE OF SAID SOLE.
Claim 2
Dependent Claim
110 words
AN INTEGRAL SHOE BOTTOM UNIT COMPRISING A HEEL MOLDED TO FINAL CONFIGURATION AND INCLUDING A BREAST PORTION ON THE FORWARD EDGE THEREOF, A SOLE HAVING A SHANK PORTION AND A TOE PORTION UNITED TO SAID HEEL AT THE BREAST, THE EDGES OF SAID SOLE ANGLING OUTWARDLY AND FORWARDLY ADJACENT THE HEEL BREAST SO THAT THE SOLE HAS A WIDTH IN THE SHANK PORTION THAT IS GREATER THAN THE WIDTH OF THE HEEL, SAID INCREASED SOLE WIDTH CONTINUING AROUND THE PERIPHERY OF THE SOLE, SAID SOLE BEING PROVIDED WITH A WHEELED EDGE ON THE UPPER SURFACE, SAID WHEELING EXTENDING A SUBSTANTIAL DISTANCE INTO THE INTERIOR OF SAID SURFACE OF SAID SOLE.
References Cited (Backward Citations)
US1175866A
Cited
US1504975A
Cited
US1794979A
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US2083376A
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US1979391A
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US2527414A
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US2557946A
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US2614342A
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US2918735A
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US2940096A
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US2995840A
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US3021543A
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |