US2392542A
Expired / Lapsed
US
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Apparatus for mixing fluids
Assignee: Phillips Petroleum Co
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Filing: 1943-07-15
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Granted: 1946-01-08
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Expires: 1963-07-15
Abstract
No abstract record available.
Inventors
- 👤 Maryan P Matuszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:48
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0053; B01J19/0066; B01F; B01F23/00; B01F23/40; B01F23/43; B01F23/431; B01F25/00; B01F25/20; B01F25/23; B01J19/18; B01J19/26; B01J4/00; B01J4/001; B01J4/002; B01J4/007; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00121; B01J2219/00128
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) | 1949-01-07 | 1949-07-09 | 1950-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-07 | 1953-07-09 | 1954-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-07 | 1957-07-09 | 1958-01-08 | $7700.00 | Window Closed / Lapsed |