Patent US2440412A successfully refreshed from Google Patents.
US2440412A
Expired / Lapsed
US
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Heel brace
Assignee: Individual
•
Filing: 1946-04-20
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Granted: 1948-04-27
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Expires: 1966-04-20
Abstract
No abstract record available.
Inventors
- 👤 Frank A Melchionna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:09
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/28; A43B13/34; A43B13/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236
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) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |