US2773499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated intermittent drive in physical therapy apparatus
Assignee: Individual
•
Filing: 1955-01-27
•
Granted: 1956-12-11
•
Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Nieden Harald H Zur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:43
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H1/0222; A61G; A61G13/00; A61G13/009; A61H2001/0233
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1205649A
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US1261424A
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US1765669A
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US1974774A
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US2194651A
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US2262271A
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US2273088A
Cited
US2429834A
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US2598204A
Cited
US2712820A
Cited
US2678857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |