US3267586A
Expired / Lapsed
US
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Apparatus for treating fluidized solids systems
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-09-17
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Granted: 1966-08-23
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Molstedt Byron Victor
- 👤 Patterson Gary Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/1872; B01J2208/00; B01J2208/00796; B01J2208/00823; B01J2208/00831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR THE IMPROVEMENTS OF GAS-SOLIDS CONTACT IN FLUIDIZED SOLIDS SYSTEMS AND FOR THE REDUCTION OF SLUGGING COMPRISING A TUBULAR MEMBER CONTAINING THEREIN A PLURALITY OF SPACED APART, CIRCUMFERENTIALLY, INWARDLY PROJECTING, CONSTRICTING SURFACES WHICH LESSEN THE INTERNAL DIAMETER OF THE MEMBER TO PROVIDE, IN EFFECT, A SERIES OF CONTIGUOUS ZONES SEPARATED ONE FROM ANOTHER BY PASSAGEWAYS OF LESSER DIAMETER THAN THAT OF THE INTERNAL DIAMETER OF THE TUBULAR MEMBER, THE RATIO OF THE DIAMETER OF A PASSAGEWAY RELATIVE TO THE INTERNAL DIAMETER OF THE TUBULAR MEMBER RANGING FROM ABOUT 0.5 TO ABOUT 0.9 AND THE LONGITUDINAL DISTANCE BETWEEN CONSTRICTING SURFACES RANGING FROM ABOUT 0.5 TO ABOUT 2.0 TIMES THE INTERNAL DIAMETER OF THE TUBULAR MEMBER.
Claim 2
Dependent Claim
115 words
APPARATUS FOR THE IMPROVEMENTS OF GAS-SOLIDS CONTACT IN FLUIDIZED SOLIDS SYSTEMS AND FOR THE REDUCTION OF SLUGGING COMPRISING A TUBULAR MEMBER CONTAINING THEREIN A PLURALITY OF SPACED APART, CIRCUMFERENTIALLY, INWARDLY PROJECTING, CONSTRICTING SURFACES WHICH LESSEN THE INTERNAL DIAMETER OF THE MEMBER TO PROVIDE, IN EFFECT, A SERIES OF CONTIGUOUS ZONES SEPARATED ONE FROM ANOTHER BY PASSAGEWAYS OF LESSER DIAMETER THAN THAT OF THE INTERNAL DIAMETER OF THE TUBULAR MEMBER, THE RATIO OF THE DIAMETER OF A PASSAGEWAY RELATIVE TO THE INTERNAL DIAMETER OF THE TUBULAR MEMBER RANGING FROM ABOUT 0.5 TO ABOUT 0.9 AND THE LONGITUDINAL DISTANCE BETWEEN CONSTRICTING SURFACES RANGING FROM ABOUT 0.5 TO ABOUT 2.0 TIMES THE INTERNAL DIAMETER OF THE TUBULAR MEMBER.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |