Patent US2490900A successfully refreshed from Google Patents.
US2490900A
Expired / Lapsed
US
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End lasting machine
Assignee: United Shoe Machinery Corp
•
Filing: 1946-03-06
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Granted: 1949-12-13
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Expires: 1966-03-06
Abstract
No abstract record available.
Inventors
- 👤 Fred C Eastman
- 👤 Philip E Burby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:14
CPC Classifications
A; A43; A43D; A43D21/00; A43D21/16; A43D21/12; A43D21/125; A43D21/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US393066A
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US437884A
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US1129881A
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US1129882A
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US1090547A
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US2000912A
Cited
US1980410A
Cited
US2134148A
Cited
US2160846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |