US2620736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid handling mechanism
Assignee: Individual
•
Filing: 1945-12-28
•
Granted: 1952-12-09
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 John W Overbeke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:18
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/04; G01F3/06; G01F3/065; F; F01; F01B; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0444; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US978163A
Cited
US1822064A
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US2161143A
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US2168658A
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US2299233A
Cited
US2241701A
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US2284169A
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US2273468A
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US2364301A
Cited
US2391196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |