US2263534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for mixing fluids
Assignee: Union Oil Company of California
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Filing: 1938-12-17
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Granted: 1941-11-18
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Expires: 1958-12-17
Abstract
No abstract record available.
Inventors
- 👤 Blair G Aldridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:16
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/04; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2331; B01F23/23311; B01F23/23314; B01F23/2334; B01F23/23342; B01F23/2366; B01F23/2368; B01F27/00; B01F27/60; B01F27/71; B01F27/711; B01F27/80; B01F27/91; B01F35/00; B01F35/90; B01F35/93; B01F27/05; B01F27/11; B01F27/15; Y; Y10; Y10S; Y10S159/00; Y10S159/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-17 | 1945-05-19 | 1945-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-17 | 1949-05-19 | 1949-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-17 | 1953-05-19 | 1953-11-18 | $7700.00 | Window Closed / Lapsed |