US3210056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting tray with variable passage
Assignee: Shell USA Inc
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Filing: 1962-07-19
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Granted: 1965-10-05
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Willem C Van T Sant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:17
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/163; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A GAS-LIQUID CONTACTING APPARATUS COMPRISING: A CONTACTING TRAY ADAPTED TO BE MOUNTED HORIZONTALLY WITH IN A CONTACTING COLUMN TO RETAIN A BODY OF LIQUID THEREON AND HAVING A FLOW OPENING THERETHROUGH, AND A VALV MOUNTED ON SAID TRAY FOR VERTICAL MOVEMENT TO CONTROL THE PASSAGE THROUGH THE SAID OPENING, SAID VALVE COMPRISING: (A) A VALVE BODY SITUATED ABOVE THE TRAY AND (B) A PLURALITY OF GUIDES SEPARATE FROM AND ATTACHED TO SAID BODY AND EXTENDING DOWNWARDS THEREFROM THROUGH THE FLOW OPENING AND DISTRIBUTED ABOUT THE PERIPHERY OF THE OPENING, EACH OF SAID GUIDES HAVING OUTWARDLY-EXTENDING AND UPWARDLY-DIRECTED ABUTMENT MEANS POSITIONED FOR ENGAGEMENT WITH THE UNDER SIDE OF THE TRAY TO LIMIT UPWARD MOVEMENT OF THE VALVBE, (C) SAID GUIDE HAVING PARTS THEREOF EXTENDING HORIZONTALLY OUTWARDLY BEYOND THE EDGE OF THE OPENING AT THE UNDER SIDE OF THE VALVE BODY FOR ENGAGEMENT WITH THE TOP SURFACE OF THE TRAY, THEREBY TO MAINTAIN THE VALVE BODY SPACED ABOVE SAID TRAY SURFACE TO MAINTAIN THE VALVE IS IN THE LOWERMOST POSITION THEREOF.
Claim 2
Dependent Claim
169 words
A GAS-LIQUID CONTACTING APPARATUS COMPRISING: A CONTACTING TRAY ADAPTED TO BE MOUNTED HORIZONTALLY WITH IN A CONTACTING COLUMN TO RETAIN A BODY OF LIQUID THEREON AND HAVING A FLOW OPENING THERETHROUGH, AND A VALV MOUNTED ON SAID TRAY FOR VERTICAL MOVEMENT TO CONTROL THE PASSAGE THROUGH THE SAID OPENING, SAID VALVE COMPRISING: (A) A VALVE BODY SITUATED ABOVE THE TRAY AND (B) A PLURALITY OF GUIDES SEPARATE FROM AND ATTACHED TO SAID BODY AND EXTENDING DOWNWARDS THEREFROM THROUGH THE FLOW OPENING AND DISTRIBUTED ABOUT THE PERIPHERY OF THE OPENING, EACH OF SAID GUIDES HAVING OUTWARDLY-EXTENDING AND UPWARDLY-DIRECTED ABUTMENT MEANS POSITIONED FOR ENGAGEMENT WITH THE UNDER SIDE OF THE TRAY TO LIMIT UPWARD MOVEMENT OF THE VALVBE, (C) SAID GUIDE HAVING PARTS THEREOF EXTENDING HORIZONTALLY OUTWARDLY BEYOND THE EDGE OF THE OPENING AT THE UNDER SIDE OF THE VALVE BODY FOR ENGAGEMENT WITH THE TOP SURFACE OF THE TRAY, THEREBY TO MAINTAIN THE VALVE BODY SPACED ABOVE SAID TRAY SURFACE TO MAINTAIN THE VALVE IS IN THE LOWERMOST POSITION THEREOF.
References Cited (Backward Citations)
US3019003A
Cited
US3080155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |