US2500618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid control apparatus
Assignee: GE Healthcare UK Ltd
•
Filing: 1943-12-04
•
Granted: 1950-03-14
•
Expires: 1963-12-04
Abstract
No abstract record available.
Inventors
- 👤 Pugh Cyril Alphonso
- 👤 Booth Douglas Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:41
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/34; G05D13/36; G05D13/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1833265A
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US2081188A
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US2010420A
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US2136959A
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US2165657A
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US2153381A
Cited
US2155247A
Cited
US2260576A
Cited
US2336968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |