US2492413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stiffening uppers of shoes
Assignee: United Shoe Machinery Corp
•
Filing: 1944-11-22
•
Granted: 1949-12-27
•
Expires: 1964-11-22
Abstract
No abstract record available.
Inventors
- 👤 John J Brophy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:22
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; A43D; A43D11/00; A43D11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1070406A
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US1197437A
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US1889196A
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US2233477A
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US2216581A
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US2252554A
Cited
US2242729A
Cited
US2343390A
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US2373264A
Cited
US2379059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |