US3199956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cocurrent packed helical coil extractor
Assignee: Bayer Corp
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Filing: 1962-10-18
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Granted: 1965-08-10
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ferrari Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:43
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; G; G01; G01N; G01N25/00; G01N25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
SOLVENT EXTRACTING APPARATUS, COMPRISING A HELICAL COIL OF TUBING PROVIDING A LIQUID PASSAGE AND HAVING AN INLET AND AN OUTLET FOR THE FLOW OF LIQUID THROUGH SAID PASSAGE, AND A PLURALITY OF SEPARATE MEMBERS POSITIONED IN SAID PASSAGE IN THE PATH OF FLOW OF THE LIQUID AND PROVIDING LIQUID IMPINGEMENT CONTACT SURFACES FOR BRINGING THE VARIOUS PORTIONS OF THE LIQUID INTO INTIMATE CONTACT WITH EACH OTHER, SAID COIL OF TUBING HAVING A CONSTRICTED OPENING PROVIDING AN INLET FOR THE LIQUID AND HAVING ANOTHER CONSTRICTED OPENING, LONGITUDINALLY SPACED FROM SAID FIRST MENTIONED CONSTRICTED OPENING, AND PROVIDING AN OUTLET FOR THE LIQUID, SAID MEMBERS BEING DISPOSED IN SAID PASSAGE BETWEEN SAID CONSTRICTED OPENINGS, AND SAID COIL OF TUBING HAVING CONVOLUTIONS DOWNSTREAM OF SAID CONSTRICTED OPENING PROVIDING SAID OUTLET FOR THE LIQUID, SAID CONVOLUTIONS HAVING NO MEMBERS THEREIN.
Claim 2
Dependent Claim
135 words
SOLVENT EXTRACTING APPARATUS, COMPRISING A HELICAL COIL OF TUBING PROVIDING A LIQUID PASSAGE AND HAVING AN INLET AND AN OUTLET FOR THE FLOW OF LIQUID THROUGH SAID PASSAGE, AND A PLURALITY OF SEPARATE MEMBERS POSITIONED IN SAID PASSAGE IN THE PATH OF FLOW OF THE LIQUID AND PROVIDING LIQUID IMPINGEMENT CONTACT SURFACES FOR BRINGING THE VARIOUS PORTIONS OF THE LIQUID INTO INTIMATE CONTACT WITH EACH OTHER, SAID COIL OF TUBING HAVING A CONSTRICTED OPENING PROVIDING AN INLET FOR THE LIQUID AND HAVING ANOTHER CONSTRICTED OPENING, LONGITUDINALLY SPACED FROM SAID FIRST MENTIONED CONSTRICTED OPENING, AND PROVIDING AN OUTLET FOR THE LIQUID, SAID MEMBERS BEING DISPOSED IN SAID PASSAGE BETWEEN SAID CONSTRICTED OPENINGS, AND SAID COIL OF TUBING HAVING CONVOLUTIONS DOWNSTREAM OF SAID CONSTRICTED OPENING PROVIDING SAID OUTLET FOR THE LIQUID, SAID CONVOLUTIONS HAVING NO MEMBERS THEREIN.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |