Patent USRE28072E successfully refreshed from Google Patents.
USRE28072E
Expired / Lapsed
US
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Mixing apparatus
Assignee: —
•
Filing: 1973-06-11
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Granted: 1974-07-09
•
Expires: 1993-06-11
Abstract
Abstract A FLUID MIXER HAVING NO MOVING PARTS IS DISCLOSED IN WHICH A MAIN STREAM OF MATERIALS IN A UNIFORM CROSSSECTIONAL CONDUIT IS DIVIDED INTO A NUMBER OF SUBSTREAMS. THE SUBSTREAMS ARE DIRECTLY RECOMBINED IN A MANNER THAT CAUSES A DIRECT AND POSITIVE MIXING OF ELEMENTS OF THE MAIN STREAM. THE POSITIVE MIXING ACTION ALLOWS PRECISE CONTROL OF THE MIXING ACTION TO THE JOINT OF INFINITY, BUT MAY BE CONCLUDED AT ANY INTERIM POINT.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:57
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/432; B01F25/4321
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |