US2736971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrective shoe
Assignee: Individual
•
Filing: 1954-09-20
•
Granted: 1956-03-06
•
Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Carroll M Elsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:15
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/142; A43B7/1445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259092A
Cited
US302190A
Cited
US1701839A
Cited
CH180042A
Cited
US2161565A
Cited
US2205091A
Cited
US2616190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |