US3338560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Dow Chemical Co
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Filing: 1965-04-15
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Granted: 1967-08-29
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Katzer
- 👤 Richard A Gierak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009; B; B01; B01F; B01F23/00; B01F23/30; B01F23/50; B01F25/00; B01F25/30; B01F25/31; B01F25/312; B01F25/3124; B01F25/31241; B01F25/31243; B01F33/00; B01F33/80; B01F33/82; B01F35/00; B01F35/71; B01F35/711; B01F35/717; B01F35/7173; B01F35/71805; B01F35/80; B01F35/83; B01F35/833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
MIXING APPARATUS FOR PREPARING SOLUTIONS OF DISPERSIONS FROM A MIXTURE OF PARTICULATED MATERIALS AND LIQUIDS, COMPRISING A TUBULAR MIXING HEAD HAVING SIDE WALLS, AN INPUT END AND AN OUTPUT END, SAID SIDE WALLS HAVING A LIQUID ENTRY PORT DISPOSED A SUBSTANTIAL DISTANCE FROM SAID OUTPUT END AND BETWEEN SAID INPUT END AND OUTPUT END, SAID INPUT END BEING CLOSED AND HAVING A FLUID IMPREVIOUS WALLED TUBULAR ELEMENT EXTENDING THERTHROUGH WHICH HAS AN INPUT AND OUTPUT END, THE OUTPUT END OF SAID TUBULAR ELEMENT EXTENDING BEYOND SAID LIQUID ENTRY PORT IN THE DIRECTION OF THE OUTPUT END OF SAID MIXING HEAD, THE TUBULAR ELEMENT BEING IN ALIGNMENT WITH THE LONGITUDINAL AXIS OF SAID MIXING HEAD, THE INPUT END OF SAID TUBULAR ELEMENT EXTENDING EXTERNALLY OF SAID MIXING HEAD SUBSTANTIALLY BEYOND SAID INPUT END OF THE MIXING HEAD, A PARTICULATED MATERIALS RESERVOIR, VALVED MEANS
Claim 2
Dependent Claim
142 words
MIXING APPARATUS FOR PREPARING SOLUTIONS OF DISPERSIONS FROM A MIXTURE OF PARTICULATED MATERIALS AND LIQUIDS, COMPRISING A TUBULAR MIXING HEAD HAVING SIDE WALLS, AN INPUT END AND AN OUTPUT END, SAID SIDE WALLS HAVING A LIQUID ENTRY PORT DISPOSED A SUBSTANTIAL DISTANCE FROM SAID OUTPUT END AND BETWEEN SAID INPUT END AND OUTPUT END, SAID INPUT END BEING CLOSED AND HAVING A FLUID IMPREVIOUS WALLED TUBULAR ELEMENT EXTENDING THERTHROUGH WHICH HAS AN INPUT AND OUTPUT END, THE OUTPUT END OF SAID TUBULAR ELEMENT EXTENDING BEYOND SAID LIQUID ENTRY PORT IN THE DIRECTION OF THE OUTPUT END OF SAID MIXING HEAD, THE TUBULAR ELEMENT BEING IN ALIGNMENT WITH THE LONGITUDINAL AXIS OF SAID MIXING HEAD, THE INPUT END OF SAID TUBULAR ELEMENT EXTENDING EXTERNALLY OF SAID MIXING HEAD SUBSTANTIALLY BEYOND SAID INPUT END OF THE MIXING HEAD, A PARTICULATED MATERIALS RESERVOIR, VALVED MEANS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |