US2596032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pressure integrating device
Assignee: Individual
•
Filing: 1947-09-04
•
Granted: 1952-05-06
•
Expires: 1967-09-04
Abstract
No abstract record available.
Inventors
- 👤 Dennis W Keef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:23
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1650736A
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US2093141A
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US2072912A
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US2125483A
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US2172095A
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US2295249A
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US2399404A
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US2416858A
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US2439533A
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US2472689A
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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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |