US3095462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate columns
Assignee: BP PLC
•
Filing: 1960-03-22
•
Granted: 1963-06-25
•
Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Pomper Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:27
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN IMPROVED LIQUID-VAPOR CONTACTING COLUMN WHICH COMPRISES A CASING AND A SERIES OF SUPERIMPOSED PLATES, SAID PLATES BEING ALTERNATELY INCLINED IN OPPOSITE DIRECTIONS AND SECURED TO SAID CASING AT THEIR LOWER ENDS EACH PLATE HAVING AN OVERFLOW SPACE BETWEEN ITS UPPER EDGE AND THE CASING OF THE COLUMN AND EACH PLATE HAVING A SERIES OF PERFORATIONS, SAID PERFORATIONS PROGRESSIVELY DECREASING IN SIZE DOWN THE PLATE SO THAT WHEN SAID COLUMN IS IN OPERATION, THE SMALLEST PERFORATIONS CORRESPOND TO THE GREATEST LIQUID DEPTH, THE RATE OF SAID PROGRESSIVE DECREASE IN SIZE OF SAID PERFORATIONS BEING SUCH, IN RELATION TO THE ANGLE OF INCLINATIN OF THE PLATE PORTION IN WHICH THEY ARE FORMED, THAT A SUBSTANTIALLY UNIFORM FLOW OF LIQUID THROUGH SAID PERFORATIONS IS MAINTAINED OVER THE SUBMERGED PORTION OF SAID PLATES.
Claim 2
Dependent Claim
130 words
AN IMPROVED LIQUID-VAPOR CONTACTING COLUMN WHICH COMPRISES A CASING AND A SERIES OF SUPERIMPOSED PLATES, SAID PLATES BEING ALTERNATELY INCLINED IN OPPOSITE DIRECTIONS AND SECURED TO SAID CASING AT THEIR LOWER ENDS EACH PLATE HAVING AN OVERFLOW SPACE BETWEEN ITS UPPER EDGE AND THE CASING OF THE COLUMN AND EACH PLATE HAVING A SERIES OF PERFORATIONS, SAID PERFORATIONS PROGRESSIVELY DECREASING IN SIZE DOWN THE PLATE SO THAT WHEN SAID COLUMN IS IN OPERATION, THE SMALLEST PERFORATIONS CORRESPOND TO THE GREATEST LIQUID DEPTH, THE RATE OF SAID PROGRESSIVE DECREASE IN SIZE OF SAID PERFORATIONS BEING SUCH, IN RELATION TO THE ANGLE OF INCLINATIN OF THE PLATE PORTION IN WHICH THEY ARE FORMED, THAT A SUBSTANTIALLY UNIFORM FLOW OF LIQUID THROUGH SAID PERFORATIONS IS MAINTAINED OVER THE SUBMERGED PORTION OF SAID PLATES.
References Cited (Backward Citations)
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Cited
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DE744183C
Cited
US2508394A
Cited
US2747849A
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |