US2528951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear with a removable sole
Assignee: Individual
•
Filing: 1948-09-08
•
Granted: 1950-11-07
•
Expires: 1968-09-08
Abstract
No abstract record available.
Inventors
- 👤 Epsztejn Wulf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/28; A43B13/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |