Patent US2441646A successfully refreshed from Google Patents.
US2441646A
Expired / Lapsed
US
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Counter stiffener and method of inserting it in a shoe
Assignee: United Shoe Machinery Corp
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Filing: 1944-03-29
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Granted: 1948-05-18
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Expires: 1964-03-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:44
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US353740A
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US1479884A
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US1861844A
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US1941853A
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US2097451A
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US2011695A
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US2050831A
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US2212515A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |