US2580094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metatarsal cushion
Assignee: Individual
•
Filing: 1949-11-02
•
Granted: 1951-12-25
•
Expires: 1969-11-02
Abstract
No abstract record available.
Inventors
- 👤 Higgs Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:35
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/1445; A43B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1369375A
Cited
US1718521A
Cited
US1866598A
Cited
US1775202A
Cited
US2133302A
Cited
US2284164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |