Patent US2564039A successfully refreshed from Google Patents.
US2564039A
Expired / Lapsed
US
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Apparatus for conditioning soles
Assignee: United Shoe Machinery Corp
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Filing: 1946-07-27
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Granted: 1951-08-14
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Expires: 1966-07-27
Abstract
No abstract record available.
Inventors
- 👤 William D Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:20
CPC Classifications
A; A43; A43D; A43D11/00; A43D11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US227451A
Cited
US1035001A
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US1909848A
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US2254870A
Cited
US2377929A
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US2441678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |