US2400534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toe-dancer slipper or shoe
Assignee: Individual
•
Filing: 1943-07-10
•
Granted: 1946-05-21
•
Expires: 1963-07-10
Abstract
No abstract record available.
Inventors
- 👤 Boleswava H Celmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
A; A63; A63C; A63C1/00; A63C1/22; A43; A43B; A43B5/00; A43B5/12; A43B5/16; A43B5/1633; A63C17/00; A63C17/04; A63C17/06; A63C17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |