Patent US2340666A successfully refreshed from Google Patents.
US2340666A
Expired / Lapsed
US
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Invalid's footrest and exerciser
Assignee: Individual
•
Filing: 1941-10-07
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Granted: 1944-02-01
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Expires: 1961-10-07
Abstract
No abstract record available.
Inventors
- 👤 Johanna M Johanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/02; A47C20/021; A47C20/022; A63; A63B; A63B23/00; A63B23/035; A63B23/03516; A63B23/03533; A63B23/04; A63B23/08; A63B23/085
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) | 1947-01-31 | 1947-08-02 | 1948-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-31 | 1951-08-02 | 1952-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-31 | 1955-08-02 | 1956-02-01 | $7700.00 | Window Closed / Lapsed |