US2591252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable hydrotherapy apparatus
Assignee: Burdick Corp
•
Filing: 1947-05-19
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Granted: 1952-04-01
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Expires: 1967-05-19
Abstract
No abstract record available.
Inventors
- 👤 Warren E Gilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:58
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/02; A61H33/0087; A61H33/027; A61H33/60; A61H33/601; A61H33/6021; A61H33/6026; A61H2201/00; A61H2201/01; A61H2201/0157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1041524A
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US1305411A
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US2116935A
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US2091167A
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US2228698A
Cited
US2279150A
Cited
US2280979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |