US2494752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid control arrangement
Assignee: Individual
•
Filing: 1943-08-10
•
Granted: 1950-01-17
•
Expires: 1963-08-10
Abstract
No abstract record available.
Inventors
- 👤 Carlos H Gambell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:18
CPC Classifications
F; F15; F15B; F15B17/00; F15B9/00; F15B9/02; F15B9/08; F15B9/10; Y; Y10; Y10S; Y10S60/00; Y10S60/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US773365A
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US1604545A
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US1846089A
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US1967893A
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US1960996A
Cited
US2136318A
Cited
FR802776A
Cited
FR801222A
Cited
US2375204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |