Patent US2872029A successfully refreshed from Google Patents.
US2682402A
Expired / Lapsed
US
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Collapsible platform and framework exercising apparatus
Assignee: Individual
•
Filing: 1951-10-11
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Granted: 1954-06-29
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Expires: 1971-10-11
Abstract
No abstract record available.
Inventors
- 👤 Mccarthy Marion Skelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:29
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/04; A63B17/00; A63B2210/00; A63B2210/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US332989A
Cited
US1509750A
Cited
GB254571A
Cited
US1765361A
Cited
US1996350A
Cited
US2128332A
Cited
FR807392A
Cited
US2622877A
Cited
GB648641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |