Patent US2316837A successfully refreshed from Google Patents.
Patent US3226851A successfully refreshed from Google Patents.
US3226851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe bottom units
Assignee: United Shoe Machinery Corp
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Filing: 1963-09-27
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Granted: 1966-01-04
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard C Marcy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:23
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/061; B29D35/062; A; A43; A43B; A43B13/00; A43B13/02; A43B13/12; B29D35/065; B29D35/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SHOE PROVIDED WITH A BOTTOM UNIT COMPRISING A PRESHAPED TREAD SOLE AND A MIDSOLE AND HEEL STRUCTURE MOLDED TO THE TREAD SOLE AND MOLDED IN SITU ONTO THE SHOE BOTTOM CHARACTERIZED BY THE FACT THAT THE MIDSOLE AND HEEL STRUCTURE ENCASES THE REAR PORTION OF THE TREAD SOLE AND INCLUDES AT LEAST ONE ENDLESS CONNECTOR EXTENDING THROUGH A SUITABLE APERTURE FORMED IN THE REAR PORTION
Claim 2
Dependent Claim
66 words
A SHOE PROVIDED WITH A BOTTOM UNIT COMPRISING A PRESHAPED TREAD SOLE AND A MIDSOLE AND HEEL STRUCTURE MOLDED TO THE TREAD SOLE AND MOLDED IN SITU ONTO THE SHOE BOTTOM CHARACTERIZED BY THE FACT THAT THE MIDSOLE AND HEEL STRUCTURE ENCASES THE REAR PORTION OF THE TREAD SOLE AND INCLUDES AT LEAST ONE ENDLESS CONNECTOR EXTENDING THROUGH A SUITABLE APERTURE FORMED IN THE REAR PORTION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |