US2425971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising device
Assignee: Individual
•
Filing: 1944-05-22
•
Granted: 1947-08-19
•
Expires: 1964-05-22
Abstract
No abstract record available.
Inventors
- 👤 Walker Matt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
A; A63; A63B; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211; A63B21/00; A63B21/16; A63B21/1618; A63B21/1654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352836A
Cited
US1456317A
Cited
US1953857A
Cited
US2050652A
Cited
US2240228A
Cited
US2362111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |