US2852347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous soapmaking
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1955-09-27
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Granted: 1958-09-16
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Expires: 1975-09-27
Abstract
No abstract record available.
Inventors
- 👤 Palmqvist Fredrik Teodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:18
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; C11D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APPARATUS FOR EFFECING CHEMICAL REACTION BETWEEN TWO REACTANTS, WHICH COMPRISES PARTS INCLUDING A CIRCULATION PUMP, A FIRST HOLDING TANK, A MIXER, AND A SECOND HOLDING TANK, PIPING CONNECTING ALL OF SAID PARTS IN SERIES IN A CLOSED FIRST CIRCUIT IN THE ORDER MENTIONED, RECKONED IN THE DIRECTION OF FLOW OF MATERIAL THROUGH THE CIRCUIT, A FIRST REACTANT FEED LINE LEADING INTO THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL FLOWS ON ITS WAY FROM THE SECOND TANK TO THE FIRST TANK, A SECOND REACTANT FEED LINE LEADING INTO THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL FLOWS ON ITS WAY FROM THE FIRST TANK TO THE MIXER, AND A DISCHARGE LINE LEADING FROM THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL PASSES ON ITS WAY FROM THE SECOND HOLDING TANK TO SAID FIRST REACTANT FEED LINE.
Claim 2
Dependent Claim
139 words
APPARATUS FOR EFFECING CHEMICAL REACTION BETWEEN TWO REACTANTS, WHICH COMPRISES PARTS INCLUDING A CIRCULATION PUMP, A FIRST HOLDING TANK, A MIXER, AND A SECOND HOLDING TANK, PIPING CONNECTING ALL OF SAID PARTS IN SERIES IN A CLOSED FIRST CIRCUIT IN THE ORDER MENTIONED, RECKONED IN THE DIRECTION OF FLOW OF MATERIAL THROUGH THE CIRCUIT, A FIRST REACTANT FEED LINE LEADING INTO THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL FLOWS ON ITS WAY FROM THE SECOND TANK TO THE FIRST TANK, A SECOND REACTANT FEED LINE LEADING INTO THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL FLOWS ON ITS WAY FROM THE FIRST TANK TO THE MIXER, AND A DISCHARGE LINE LEADING FROM THE CIRCUIT AT A POINT THROUGH WHICH SAID MATERIAL PASSES ON ITS WAY FROM THE SECOND HOLDING TANK TO SAID FIRST REACTANT FEED LINE.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |