Patent US2611195A successfully refreshed from Google Patents.
US2611195A
Expired / Lapsed
US
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Stiffening uppers of shoes
Assignee: United Shoe Machinery Corp
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Filing: 1951-06-16
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Granted: 1952-09-23
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Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 John J Brophy
- 👤 Jr Charles G Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AS AN ARTICLE OF MANUFACTURE, A NORMALLY LIMP, STRETCHABLE STIFFENER BLANK ADAPTED TO BE INCORPORATED IN AN END PORTION OF THE UPPER OF A SHOE AND TO BE CONFORMED TO A LAST, SAID BLANK COMPRISING A THIN, FLEXIBLE SHEET HAVING AN OUTLINE SHAPED TO ENCOMPASS SAID END PORTION OF A SHOE AND COMPRISING AN INTIMATE MIXTURE OF 100 PARTS OF A MEMBER OF THE GROUP CONSISTING OF VINYL CHLORIDE-VINYL ACETATE COPOLYMER RESINS, ETHYL CELLULOSE AND BENZYL CELLULOSE SOFTENING IN THE RANGE OF 150* TO 210* F., FROM 5 TO 75 PARTS BY WEIGHT OF DIMETHACRYLATE ESTER OF POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF ABOUT 200 AND FROM 0.4% TO 2.3% BY WEIGHT OF SAID DIMETHACRYLATE ESTER OF A POLYMERIZATION CATALYST.
Claim 2
Dependent Claim
121 words
AS AN ARTICLE OF MANUFACTURE, A NORMALLY LIMP, STRETCHABLE STIFFENER BLANK ADAPTED TO BE INCORPORATED IN AN END PORTION OF THE UPPER OF A SHOE AND TO BE CONFORMED TO A LAST, SAID BLANK COMPRISING A THIN, FLEXIBLE SHEET HAVING AN OUTLINE SHAPED TO ENCOMPASS SAID END PORTION OF A SHOE AND COMPRISING AN INTIMATE MIXTURE OF 100 PARTS OF A MEMBER OF THE GROUP CONSISTING OF VINYL CHLORIDE-VINYL ACETATE COPOLYMER RESINS, ETHYL CELLULOSE AND BENZYL CELLULOSE SOFTENING IN THE RANGE OF 150* TO 210* F., FROM 5 TO 75 PARTS BY WEIGHT OF DIMETHACRYLATE ESTER OF POLYETHYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF ABOUT 200 AND FROM 0.4% TO 2.3% BY WEIGHT OF SAID DIMETHACRYLATE ESTER OF A POLYMERIZATION CATALYST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |