US2702508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control system for adjustable hospital beds
Assignee: Individual
•
Filing: 1949-05-03
•
Granted: 1955-02-22
•
Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Peterson James Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:57
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB126594A
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US1595381A
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US1687523A
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US1948951A
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US2047898A
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US2065912A
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US2193497A
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US2168649A
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US2263784A
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US2311864A
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US2389164A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |