US2681269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting apparatus
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-03-21
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Granted: 1954-06-15
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Eric V Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:15
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/26; B01D3/28; B01D11/00; B01D11/04; B01D11/0426; B01D11/043; B01D11/0484; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32279
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN APPARATUS FOR EFFECTING INTIMATE COUNTERCURRENT CONTACT OF FLUIDS COMPRISING A WALL DEFINING A HOLLOW ELONGATED COLUMN, A PLURALITY OF ZIGZAG TUBES VERTICALLY ARRANGED IN SAID COLUMN, THE INDIVIDUAL CROSS-SECTIONAL AREA OF EACH OF SAID TUBES BEING APPRECIABLY LESS THAN THE CROSS-SECTIONAL AREA OF SAID COLUMN, A PLURALITY OF SERRATED EXTENSIONS POSITIONED AT ALTERNATE ANGLE BENDS OF SAID TUBES IN STAGGERED RELATIONSHIP AND JUTTING INTO THE INTERIOR OF SAID TUBES A SUBSTANTIAL DISTANCE TO EFFECT INTER-DISPERSION OF FLUIDS PASSING THERETHROUGH BUT NOT TO SUCH AN EXTENT AS TO EFFECT CLOSURE OF SAID TUBES, MEANS FOR INTRODUCING FLUID STREAMS RESPECTIVELY INTO THE UPPER AND LOWER ENDS OF SAID TUBES, METERING MEANS FOR CONTROLLING THE RATE OF FLUID FLOW THROUGH THE INDIVIDUAL TUBES AND OUTLET CONDUITS PIERCING THE TOP AND BOTTOM OF SAID COLUMN FOR EFFECTING REMOVAL OF FLUIDS THEREFROM, WHEREBY INTIMATE ADMIXTURE OF COUNTER-CURRENTLY FLOWING FLUIDS IS ATTAINED AS A RESULT OF THE ZIGZAG PATH OF SAID FLUIDS THROUGH SAID TUBES AND THE INTER-DISPERSION THEREOF DURING PASSAGE OVER SAID SERRATED EXTENSIONS.
Claim 2
Independent Claim
170 words
AN APPARATUS FOR EFFECTING INTIMATE COUNTERCURRENT CONTACT OF FLUIDS COMPRISING A WALL DEFINING A HOLLOW ELONGATED COLUMN, A PLURALITY OF ZIGZAG TUBES VERTICALLY ARRANGED IN SAID COLUMN, THE INDIVIDUAL CROSS-SECTIONAL AREA OF EACH OF SAID TUBES BEING APPRECIABLY LESS THAN THE CROSS-SECTIONAL AREA OF SAID COLUMN, A PLURALITY OF SERRATED EXTENSIONS POSITIONED AT ALTERNATE ANGLE BENDS OF SAID TUBES IN STAGGERED RELATIONSHIP AND JUTTING INTO THE INTERIOR OF SAID TUBES A SUBSTANTIAL DISTANCE TO EFFECT INTER-DISPERSION OF FLUIDS PASSING THERETHROUGH BUT NOT TO SUCH AN EXTENT AS TO EFFECT CLOSURE OF SAID TUBES, MEANS FOR INTRODUCING FLUID STREAMS RESPECTIVELY INTO THE UPPER AND LOWER ENDS OF SAID TUBES, METERING MEANS FOR CONTROLLING THE RATE OF FLUID FLOW THROUGH THE INDIVIDUAL TUBES AND OUTLET CONDUITS PIERCING THE TOP AND BOTTOM OF SAID COLUMN FOR EFFECTING REMOVAL OF FLUIDS THEREFROM, WHEREBY INTIMATE ADMIXTURE OF COUNTER-CURRENTLY FLOWING FLUIDS IS ATTAINED AS A RESULT OF THE ZIGZAG PATH OF SAID FLUIDS THROUGH SAID TUBES AND THE INTER-DISPERSION THEREOF DURING PASSAGE OVER SAID SERRATED EXTENSIONS.
References Cited (Backward Citations)
US943422A
Cited
GB396489A
Cited
GB415581A
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US2077427A
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DE684870C
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US2573491A
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US2583390A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |