Patent US632238A successfully refreshed from Google Patents.
US3276751A
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Mixing device for producing a flow of liquid of continuously variable composition
Assignee: INGENJORSFIRMAN CONSULTA
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Filing: 1963-07-01
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Granted: 1966-10-04
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Svensson Svante Harry
- 👤 Forchheimer Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
B; B01; B01F; B01F29/00; B01F29/40; B01F29/60; B01F35/00; B01F35/80; B01F35/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A DEVICE FOR PRODUCING A FLOW OF LIQUID OF CONTINUOUSLY VARYING COMPOSITION COMPRISING AT LEAST TWO SERIESCOUPLED MIXING CHAMBERS WITH COMMUNICATION DUCTS OF CAPILLARY DIMENSIONS THEREBETWEEN; MEANS FOR INTRODUCING LIQUID INTO ONE END CHAMBER AND FOR REMOVAL OF LIQUID FROM THE OTHER END CHAMBER; MEANS FOR FILLING DIFFERENT CHAMBERS WITH DIFFERENT SOLUTIONS; AND MEANS FOR STIRRING THE CONTENTS OF EACH CHAMBER COMPRISING STIRRING BODIES CHEMICALLY INERT TO THE LIQUIDS TO BE MIXED, CHARACTERIZED BY DRIVING MEANS ACTING ON THE CHAMBERS TO BRING ABOUT RELATIVE MOVEMENT BETWEEN THE LIQUIDS AND THE STIRRING BODIES.
Claim 2
Independent Claim
92 words
A DEVICE FOR PRODUCING A FLOW OF LIQUID OF CONTINUOUSLY VARYING COMPOSITION COMPRISING AT LEAST TWO SERIESCOUPLED MIXING CHAMBERS WITH COMMUNICATION DUCTS OF CAPILLARY DIMENSIONS THEREBETWEEN; MEANS FOR INTRODUCING LIQUID INTO ONE END CHAMBER AND FOR REMOVAL OF LIQUID FROM THE OTHER END CHAMBER; MEANS FOR FILLING DIFFERENT CHAMBERS WITH DIFFERENT SOLUTIONS; AND MEANS FOR STIRRING THE CONTENTS OF EACH CHAMBER COMPRISING STIRRING BODIES CHEMICALLY INERT TO THE LIQUIDS TO BE MIXED, CHARACTERIZED BY DRIVING MEANS ACTING ON THE CHAMBERS TO BRING ABOUT RELATIVE MOVEMENT BETWEEN THE LIQUIDS AND THE STIRRING BODIES.
References Cited (Backward Citations)
US2185158A
Cited
US2401431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |