Patent US2826136A successfully refreshed from Google Patents.
Patent US2803528A successfully refreshed from Google Patents.
US2803528A
Expired / Lapsed
US
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Packing support for fluid-liquid contacting vessels
Assignee: Phillips Petroleum Co
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Filing: 1954-05-13
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Granted: 1957-08-20
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Expires: 1974-05-13
Abstract
No abstract record available.
Inventors
- 👤 Fred H Erdmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:51
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J19/305; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/043; B01D3/00; B01D3/14; B01D3/16; B01D3/22; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A FLUID-LIQUID CONTACTING SYSTEM COMPRISING, IN COMBINATION, A VERTICALLY EXTENDING TOWER,A GENERALLY HORI-I ZONTAL SUPPORT FOR SOLID PARTICULATE PACKING MATERIAL DISPOSED ACROSS SAID TOWER, SAID SUPPORT COMPRISING A PLURALITY OF HORZONTAL FORAMINATED PLATES DISPOSED IN VERTICALLY SPACED HORIZONTAL PLANES, THE COMBINED AREA OF SAID HORIZONTAL PLATES BEING SUBSTANTIALLY EQUAL TO THE CROSS SECTIONAL AREA OF SAID TOWER, SAID HORIZONTAL PLATES BEING G CONNECTED BY AT LEAST ONE VERTICALLY DISPOSED FORAMINATED SHEET TO FORM SAID SUPPORT INTO A CONTINUOUS STRUCTURE ACROSS SAID TOWER, THE FORAMINATIONS OF SAID PLATES AND SHEET BEING DISTRIBUTED THROUGHOUT THE ENTIRE AREAS THEREOF, AND A BED OF SAID MATERIAL SUPPORTED BY AND COVERING THE SUPPORT, THE FORAMINATIONS IN AID PLATES AND SHEET BEING SMALL ENOUGH TO ARREST DOWNWARD FLOW OF SAID MATERIAL, AND THE TOTAL COMBINED AREA OF ALL THE FORAMINATIONS IN SAID VERTICAL SHEET AND HORIZONTAL PLATES BEING AT LEAST AS GREAT AS THE FREE SPACE BETWEEN THE PARTICLES OF SAID MATERIAL ACROSS THE CROSS SECTION OF SAID TOWER IN SAID BED ABOVE SAID SUPPORT.
Claim 2
Dependent Claim
169 words
A FLUID-LIQUID CONTACTING SYSTEM COMPRISING, IN COMBINATION, A VERTICALLY EXTENDING TOWER,A GENERALLY HORI-I ZONTAL SUPPORT FOR SOLID PARTICULATE PACKING MATERIAL DISPOSED ACROSS SAID TOWER, SAID SUPPORT COMPRISING A PLURALITY OF HORZONTAL FORAMINATED PLATES DISPOSED IN VERTICALLY SPACED HORIZONTAL PLANES, THE COMBINED AREA OF SAID HORIZONTAL PLATES BEING SUBSTANTIALLY EQUAL TO THE CROSS SECTIONAL AREA OF SAID TOWER, SAID HORIZONTAL PLATES BEING G CONNECTED BY AT LEAST ONE VERTICALLY DISPOSED FORAMINATED SHEET TO FORM SAID SUPPORT INTO A CONTINUOUS STRUCTURE ACROSS SAID TOWER, THE FORAMINATIONS OF SAID PLATES AND SHEET BEING DISTRIBUTED THROUGHOUT THE ENTIRE AREAS THEREOF, AND A BED OF SAID MATERIAL SUPPORTED BY AND COVERING THE SUPPORT, THE FORAMINATIONS IN AID PLATES AND SHEET BEING SMALL ENOUGH TO ARREST DOWNWARD FLOW OF SAID MATERIAL, AND THE TOTAL COMBINED AREA OF ALL THE FORAMINATIONS IN SAID VERTICAL SHEET AND HORIZONTAL PLATES BEING AT LEAST AS GREAT AS THE FREE SPACE BETWEEN THE PARTICLES OF SAID MATERIAL ACROSS THE CROSS SECTION OF SAID TOWER IN SAID BED ABOVE SAID SUPPORT.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |