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US2543729A
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Push and pull friction type exerciser
Assignee: Individual
•
Filing: 1948-03-27
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Granted: 1951-02-27
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Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Magida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:59
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/012; A63B21/015; A63B21/0004; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B21/4041; A63B21/4047; A63B23/00; A63B23/035; A63B23/12; Y; Y10; Y10S; Y10S482/00; Y10S482/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR577971A
Cited
US2252868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |