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US2657477A
Expired / Lapsed
US
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Foot and/or footwear protector
Assignee: Individual
•
Filing: 1952-03-18
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Granted: 1953-11-03
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Winslow Arthur Elmo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/16; A43B3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792539A
Cited
US1871576A
Cited
US2108656A
Cited
US2254685A
Cited
US2465911A
Cited
US2434331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |