US3143482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation apparatus
Assignee: Phillips Petroleum Co
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Filing: 1961-01-09
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Granted: 1964-08-04
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Norman F Mcleod
- 👤 Rollin N Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:11
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
SEPARATION APPARATUS COMPRISING A UBSTANTIALLY VERTICAL, ELONGATED CYLINDRICAL VESSEL HAVING ARRANGED THEREIN AT LEST THREE SUBSTANTIALLY HORIZONTAL PERFORATED TRAYS, AT LEAST AN UPPER AND A LOWER OF SAID TRAYS HAVING LARGER PERFORATIONS THAN ANY OF HTE PERFORATIONS IN AT LEAST ONE INTERMEDIATE TRAY; FLUID INLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT A POINT ABOVE SAID UPPER TRAY; FLUID OUTLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT AN UPPER END THEREOF; A SECOND FLUID OUTLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT A LOWR END THEREOF; AND HEATING MEANS DISPOSED IN SAID LOWER END THEREOF.
Claim 2
Dependent Claim
95 words
SEPARATION APPARATUS COMPRISING A UBSTANTIALLY VERTICAL, ELONGATED CYLINDRICAL VESSEL HAVING ARRANGED THEREIN AT LEST THREE SUBSTANTIALLY HORIZONTAL PERFORATED TRAYS, AT LEAST AN UPPER AND A LOWER OF SAID TRAYS HAVING LARGER PERFORATIONS THAN ANY OF HTE PERFORATIONS IN AT LEAST ONE INTERMEDIATE TRAY; FLUID INLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT A POINT ABOVE SAID UPPER TRAY; FLUID OUTLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT AN UPPER END THEREOF; A SECOND FLUID OUTLET MEANS OPERATIVELY COMMUNICATING WITH SAID VESSEL AT A LOWR END THEREOF; AND HEATING MEANS DISPOSED IN SAID LOWER END THEREOF.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |