US3325922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toe stiffener for shoes
Assignee: United Shoe Machinery Corp
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Filing: 1963-06-25
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Granted: 1967-06-20
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:54
CPC Classifications
A; A43; A43D; A43D8/00; A43D8/006; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/086; A43B23/087; A43D8/02; A43D8/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A SHOE TOE END STIFFENER ADAPTED FOR POST INSERTION, ATTACHMENT AND CONFORMATION WITH THE INSIDE OF A TOE END OF A SHOE UPPER BY APPLICATION OF HEAT AND PRESSURE APPLIED TO THE INTERIOR OF SAID STIFFENER, THE SAID STIFFENER COMPRISING A NORMALLY STIFF, RESILIENT, HEAT DEFORMABLE, SEMICONICAL MEMBER HAVING AN INWARDLY DIRECTED BOTTOM SECTION, AT LEAST A PORTION OF THE BOTTOM SECTION OF WHICH IS UNITARY WITH BOTH SIDE EDGES OF THE SAID MEMBER, THE SAID MEMBER BEING FORMED CONTINUOUSLY OF THERMOPLASTIC SYNTHETIC POLYMERIC MATERIAL AND HAVING A WALL THICKNESS OF GREATER THAN ABOUT 0.10 INCH AND CARRYING A COATING OF ADHESIVE AT THE EXTERIOR THEREOF.
Claim 2
Dependent Claim
106 words
A SHOE TOE END STIFFENER ADAPTED FOR POST INSERTION, ATTACHMENT AND CONFORMATION WITH THE INSIDE OF A TOE END OF A SHOE UPPER BY APPLICATION OF HEAT AND PRESSURE APPLIED TO THE INTERIOR OF SAID STIFFENER, THE SAID STIFFENER COMPRISING A NORMALLY STIFF, RESILIENT, HEAT DEFORMABLE, SEMICONICAL MEMBER HAVING AN INWARDLY DIRECTED BOTTOM SECTION, AT LEAST A PORTION OF THE BOTTOM SECTION OF WHICH IS UNITARY WITH BOTH SIDE EDGES OF THE SAID MEMBER, THE SAID MEMBER BEING FORMED CONTINUOUSLY OF THERMOPLASTIC SYNTHETIC POLYMERIC MATERIAL AND HAVING A WALL THICKNESS OF GREATER THAN ABOUT 0.10 INCH AND CARRYING A COATING OF ADHESIVE AT THE EXTERIOR THEREOF.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |