Patent US3164190A successfully refreshed from Google Patents.
US1899092A
Expired / Lapsed
US
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Bunion corrective device
Assignee: Individual
•
Filing: 1931-01-20
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Granted: 1933-02-28
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Expires: 1951-01-20
Abstract
No abstract record available.
Inventors
- 👤 Margaret M Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:41
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/019
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) | 1936-02-28 | 1936-08-29 | 1937-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-28 | 1940-08-29 | 1941-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-28 | 1944-08-29 | 1945-02-28 | $7700.00 | Window Closed / Lapsed |