US2748503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot cushion
Assignee: Individual
•
Filing: 1955-05-06
•
Granted: 1956-06-05
•
Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 William M Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:53
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B17/00; A43B7/145; A43B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US246931A
Cited
GB195016A
Cited
GB220865A
Cited
US1953048A
Cited
US2415580A
Cited
US2482333A
Cited
US2658288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |