Patent US2452502A successfully refreshed from Google Patents.
US2452502A
Expired / Lapsed
US
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Shoe construction
Assignee: Individual
•
Filing: 1945-04-25
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Granted: 1948-10-26
•
Expires: 1965-04-25
Abstract
No abstract record available.
Inventors
- 👤 John P Tarbox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:38
CPC Classifications
A; A43; A43B; A43B11/00; A43B21/00; A43B21/36; A43B21/42; A43B3/00; A43B3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US474574A
Cited
US623803A
Cited
US1081678A
Cited
DE451157C
Cited
US2165281A
Cited
US2178025A
Cited
US2349374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |