Patent US2731399A successfully refreshed from Google Patents.
US2731399A
Expired / Lapsed
US
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Reaction vessel for coke removal
Assignee: Sunoco Inc
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Filing: 1952-01-21
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Granted: 1956-01-17
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Expires: 1972-01-21
Abstract
No abstract record available.
Inventors
- 👤 Leland W T Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:47
CPC Classifications
C; C10; C10B; C10B33/00; C10B33/006; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/002; B01J19/0026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
MEANS FOR REMOVING DEPOSITS OF CARBON FROM A HYDROCARBON REACTION VESSEL COMPRISING THE COMBINATION, WITH AN OPEN-ENDED CYLINDRICAL REACTION VESSEL OF UNIFORM CROSS-SECTIONAL AREA WITH REMOVABLE END HEADS HAVING INLETS AND OUTLETS OPENING DIRECTLY INTO THE CYLINDRICAL REACTION VESSEL, OF AN OPEN-ENDED LINER TO WHICH DEPOSITED CARBON IS ADHERENT AND SHAPED TO CONFORM TO, AND OF GREATER LENGTH THAN, THE WALL OF THE REACTION VESSEL AND HAVING ITS FREE ENDS EXTENDING OUTWARD UNDER, AND CONFINED BY, THE END HEADS WHEN APPLIED TO THE REACTION VESSEL, AND AN EJECTOR CONFORMING APPROXIMATELY IN SHAPE AND AREA TO THE CROSS-SECTIONAL SHAPE AND AREA OF THE LINER AND, UPON REMOVAL OF ONE END HEAD, INSERTABLE IN THAT END OF. AND SLIDABLE THROUGHOUT THE LENGTH OF, THE REACTION VESSEL AND, UPON REMOVAL OF THE OTHER END HEAD, SO OPERABLE AXIALLY OF THEN OPEN-ENDED REACTION VESSEL AS TO SLIDE THE LINER AND CARBONACEOUS DEPOSITS THEREON AS A UNIT AND SIMULTANEOUSLY EJECT THEM AS A UNIT FROM THE OTHER END OF THE REACTION VESSEL.
Claim 2
Dependent Claim
167 words
MEANS FOR REMOVING DEPOSITS OF CARBON FROM A HYDROCARBON REACTION VESSEL COMPRISING THE COMBINATION, WITH AN OPEN-ENDED CYLINDRICAL REACTION VESSEL OF UNIFORM CROSS-SECTIONAL AREA WITH REMOVABLE END HEADS HAVING INLETS AND OUTLETS OPENING DIRECTLY INTO THE CYLINDRICAL REACTION VESSEL, OF AN OPEN-ENDED LINER TO WHICH DEPOSITED CARBON IS ADHERENT AND SHAPED TO CONFORM TO, AND OF GREATER LENGTH THAN, THE WALL OF THE REACTION VESSEL AND HAVING ITS FREE ENDS EXTENDING OUTWARD UNDER, AND CONFINED BY, THE END HEADS WHEN APPLIED TO THE REACTION VESSEL, AND AN EJECTOR CONFORMING APPROXIMATELY IN SHAPE AND AREA TO THE CROSS-SECTIONAL SHAPE AND AREA OF THE LINER AND, UPON REMOVAL OF ONE END HEAD, INSERTABLE IN THAT END OF. AND SLIDABLE THROUGHOUT THE LENGTH OF, THE REACTION VESSEL AND, UPON REMOVAL OF THE OTHER END HEAD, SO OPERABLE AXIALLY OF THEN OPEN-ENDED REACTION VESSEL AS TO SLIDE THE LINER AND CARBONACEOUS DEPOSITS THEREON AS A UNIT AND SIMULTANEOUSLY EJECT THEM AS A UNIT FROM THE OTHER END OF THE REACTION VESSEL.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |