US2435797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing shoe uppers by heat-shrinking to forms
Assignee: Wingfoot Corp
•
Filing: 1945-02-23
•
Granted: 1948-02-10
•
Expires: 1965-02-23
Abstract
No abstract record available.
Inventors
- 👤 Exa G Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/02; A43B23/0205; A43B23/0215; A43D; A43D11/00; A43D11/12; Y; Y10; Y10S; Y10S36/00; Y10S36/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278305A
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US625331A
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US1081955A
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US1344930A
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US1514634A
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US2262861A
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US2314098A
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US2345055A
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US2312089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |