Patent US3330535A successfully refreshed from Google Patents.
US3330535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Commercial Solvents Corp
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Filing: 1964-12-10
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Granted: 1967-07-11
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Stengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:36
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/44; B01F31/441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MIXING APPARATUS FOR CONTACTING AT LEAST TWO FLUIDS COMPRISING IN COMBINATION A CHAMBER ADAPTED TO CONTAIN SAID FLUIDS, A VERTICALLY MOVEABLE HOLLOW SHAFT MOUNTED IN SAID CHAMBER AND HAVING OPENINGS THEREIN AT THE BOTTOM AND TOP OF SAID CHAMBER, AT LEAST ONE PERFORATED PLATE FIXED TO SAID SHAFT AND DIVIDING SAID CHAMBER INTO A PLURALITY OF MIXING STAGES, FLUID INLET MEANS AND FLUID OUTLET MEANS FOR SAID CHAMBER, SAID HOLLOW SHAFT CONSTITUTING MEANS INTERCONNECTING THE BOTTOM PORTION OF SAID CHAMBER WITH THE TOP PORTION THEREOF AND FORMING WITH SAID MIXING STAGES A CONTINUOUS FLOW PATH BETWEEN THE TOP AND BOTTOM OF SAID CHAMBER, AND MEANS FOR IMPARTING VERTICALLY RECIPROCATING MOTION TO SAID SHAFT WHEREBY SAID FLUIDS ARE INTIMATELY MIXED WHILE BEING PUMPED ALONG AT LEAST A PORTION OF SAID FLOW PATH BY THE ACTION OF SAID PLATE.
Claim 2
Dependent Claim
138 words
A MIXING APPARATUS FOR CONTACTING AT LEAST TWO FLUIDS COMPRISING IN COMBINATION A CHAMBER ADAPTED TO CONTAIN SAID FLUIDS, A VERTICALLY MOVEABLE HOLLOW SHAFT MOUNTED IN SAID CHAMBER AND HAVING OPENINGS THEREIN AT THE BOTTOM AND TOP OF SAID CHAMBER, AT LEAST ONE PERFORATED PLATE FIXED TO SAID SHAFT AND DIVIDING SAID CHAMBER INTO A PLURALITY OF MIXING STAGES, FLUID INLET MEANS AND FLUID OUTLET MEANS FOR SAID CHAMBER, SAID HOLLOW SHAFT CONSTITUTING MEANS INTERCONNECTING THE BOTTOM PORTION OF SAID CHAMBER WITH THE TOP PORTION THEREOF AND FORMING WITH SAID MIXING STAGES A CONTINUOUS FLOW PATH BETWEEN THE TOP AND BOTTOM OF SAID CHAMBER, AND MEANS FOR IMPARTING VERTICALLY RECIPROCATING MOTION TO SAID SHAFT WHEREBY SAID FLUIDS ARE INTIMATELY MIXED WHILE BEING PUMPED ALONG AT LEAST A PORTION OF SAID FLOW PATH BY THE ACTION OF SAID PLATE.
References Cited (Backward Citations)
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Cited
US504174A
Cited
GB191102526A
Cited
GB191203754A
Cited
US2626889A
Cited
US2828111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |