US3281133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eckert treating tower
Assignee: —
•
Filing: —
•
Granted: 1966-10-25
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:42
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/008; B01D3/14; B01D3/16; B01D3/18; B01D3/20; B01D3/22; B01D3/32; B01D3/324; B01D53/00; B01D53/14; B01D53/18; B01D53/185; B01J; B01J19/00; B01J19/30; B01J19/32; F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04763; F25J3/04866; F25J3/04896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A TREATING TOWER WITH INLET AND OUTLET MEANS FOR THE INTRODUCTION AND WITHDRAWAL OF GAS AND LIQUID FOR COUNTERCURRENT FLOW THEREIN, THE WALL OF THE TOWER BEING A SHELL THE INTERIOR OF WHICH IS OF UNIFORM, HORIZONTAL CROSSSECTIONAL AREA THROUGHOUT, UPPER AND LOWER BEDS OF DISCRETE PACKING ELEMENTS RANDOMLY ARRANGED IN THE TOWER AND EACH EXTENDING FROM WALL TO WALL THEREIN, AND AN INTEGRAL UNIT BETWEEN THE BEDS WHICH IS ADAPTED TO BE REMOVED FROM THE TOWER INTACT, WHICH UNIT CONTAINS NO PACKING ELEMENTS BUT INCLUDES A PERFORATED HOLD-DOWN PLATE RESTING ON THE LOWER BED, A PERFORATED SUPPORT PLATE PARALLEL TO THE HOLD-DOWN PLATE AND SUPPORTING THE UPPER
Claim 2
Dependent Claim
108 words
A TREATING TOWER WITH INLET AND OUTLET MEANS FOR THE INTRODUCTION AND WITHDRAWAL OF GAS AND LIQUID FOR COUNTERCURRENT FLOW THEREIN, THE WALL OF THE TOWER BEING A SHELL THE INTERIOR OF WHICH IS OF UNIFORM, HORIZONTAL CROSSSECTIONAL AREA THROUGHOUT, UPPER AND LOWER BEDS OF DISCRETE PACKING ELEMENTS RANDOMLY ARRANGED IN THE TOWER AND EACH EXTENDING FROM WALL TO WALL THEREIN, AND AN INTEGRAL UNIT BETWEEN THE BEDS WHICH IS ADAPTED TO BE REMOVED FROM THE TOWER INTACT, WHICH UNIT CONTAINS NO PACKING ELEMENTS BUT INCLUDES A PERFORATED HOLD-DOWN PLATE RESTING ON THE LOWER BED, A PERFORATED SUPPORT PLATE PARALLEL TO THE HOLD-DOWN PLATE AND SUPPORTING THE UPPER
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |