Patent US3353802A successfully refreshed from Google Patents.
US3353802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid distributor
Assignee: Imperial Chemical Industries Ltd
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Filing: 1966-04-18
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Granted: 1967-11-21
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Greer Kent Reaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:56
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/001; B01D; B01D3/00; B01D3/008; F; F28; F28F; F28F25/00; F28F25/02; F28F25/04; Y; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A GAS-LIQUID CONTACT STRUCTURE ENCLOSING A SPACE OF RECTANGULAR HORIZONTAL CROSS-SECTION THROUGH WHICH LIQUID CAN BE CAUSED TO DESCEND DOWNWARDS, THE STRUCTURE HAVING MEANS FOR DISTRIBUTING LIQUID OVER A CIRCULAR AREA, FOUR CATCHMENT TRAYS BEING LOCATED AT EQUAL INTERVALS AROUND THE CIRCUMFERENCE OF SAID CIRCULAR AREA EACH SUBSTANTIALLY OF RIGHT-ANGLED TRIANGULAR FORM SO AS TO FORM IN COMBINATION WITH SAID CIRCULAR AREA A SUBSTANTIALLY SQUARE AREA, THE EDGE OF EACH TRAY OPPOSITE THE RIGHTANGLED CORNER OVERLAPPING SAID CIRCULAR AREA TO AN EXTENT SUFFICIENT FOR SAID LIQUID DISTRIBUTING MEANS TO DEPOSIT LIQUID ON THE OVERLAPPING PART OF THE TRAY, THE TRAY BEING PERFORATED AND INCLINED DOWNWARDLY IN A DIRECTION AWAY FROM SAID CIRCULAR AREA, SO THAT LIQUID DEPOSITED ONTO EACH TRAY RUNS TOWARDS THE REMOTER PARTS THEREOF AND PASSES THROUGH SAID PERFORATIONS.
Claim 2
Dependent Claim
131 words
A GAS-LIQUID CONTACT STRUCTURE ENCLOSING A SPACE OF RECTANGULAR HORIZONTAL CROSS-SECTION THROUGH WHICH LIQUID CAN BE CAUSED TO DESCEND DOWNWARDS, THE STRUCTURE HAVING MEANS FOR DISTRIBUTING LIQUID OVER A CIRCULAR AREA, FOUR CATCHMENT TRAYS BEING LOCATED AT EQUAL INTERVALS AROUND THE CIRCUMFERENCE OF SAID CIRCULAR AREA EACH SUBSTANTIALLY OF RIGHT-ANGLED TRIANGULAR FORM SO AS TO FORM IN COMBINATION WITH SAID CIRCULAR AREA A SUBSTANTIALLY SQUARE AREA, THE EDGE OF EACH TRAY OPPOSITE THE RIGHTANGLED CORNER OVERLAPPING SAID CIRCULAR AREA TO AN EXTENT SUFFICIENT FOR SAID LIQUID DISTRIBUTING MEANS TO DEPOSIT LIQUID ON THE OVERLAPPING PART OF THE TRAY, THE TRAY BEING PERFORATED AND INCLINED DOWNWARDLY IN A DIRECTION AWAY FROM SAID CIRCULAR AREA, SO THAT LIQUID DEPOSITED ONTO EACH TRAY RUNS TOWARDS THE REMOTER PARTS THEREOF AND PASSES THROUGH SAID PERFORATIONS.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |