Patent US2608473A successfully refreshed from Google Patents.
US2608473A
Expired / Lapsed
US
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Particle contacting apparatus
Assignee: Universal Oil Products Co
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Filing: 1948-08-28
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Granted: 1952-08-26
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Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
- 👤 John H Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:57
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN APPARATUS OF THE CLASS DESCRIBED COMPRISING IN COMBINATION A VERTICALLY DISPOSED EXTERNAL REGENERATING CHAMBER, A CONFINED INNER REACTION CHAMBER POSITIONED CONCENTRICALLY WITHIN SAID EXTERNAL CHAMBER AND SUPPORTED FROM THE LOWER END THEREOF, SAID CHAMBERS HAVING A COMMON BOTTOM HEAD, A BRANCHED INLET CONDUIT CONNECTING WITH THE LOWER END OF SAID EXTERNAL CHAMBER AND PROVIDING A PLURALITY OF INLETS THERETO, A FLUID INLET CONNECTING CENTRALLY WITH THE LOWER END OF SAID INNER REACTION CHAMBER, GAS AND VAPOR OUTLETS FROM THE UPPER END OF EACH OF SAID CHAMBERS, PARTICLE TRANSFER DUCTS EXTENDING VERTICALLY DOWNWARD FROM THE INTERIOR OF SAID INNER CHAMBER AND CONNECTING WITH SAID BRANCHED INLET CONDUIT, WITH ONE TRANSFER DUCT CONNECTING WITH EACH BRANCH OF SAID INLET CONDUIT, A PLURALITY OF OPENENDED PARTICLE TRANSFER DUCTS EXTENDING FROM THE
Claim 2
Independent Claim
129 words
AN APPARATUS OF THE CLASS DESCRIBED COMPRISING IN COMBINATION A VERTICALLY DISPOSED EXTERNAL REGENERATING CHAMBER, A CONFINED INNER REACTION CHAMBER POSITIONED CONCENTRICALLY WITHIN SAID EXTERNAL CHAMBER AND SUPPORTED FROM THE LOWER END THEREOF, SAID CHAMBERS HAVING A COMMON BOTTOM HEAD, A BRANCHED INLET CONDUIT CONNECTING WITH THE LOWER END OF SAID EXTERNAL CHAMBER AND PROVIDING A PLURALITY OF INLETS THERETO, A FLUID INLET CONNECTING CENTRALLY WITH THE LOWER END OF SAID INNER REACTION CHAMBER, GAS AND VAPOR OUTLETS FROM THE UPPER END OF EACH OF SAID CHAMBERS, PARTICLE TRANSFER DUCTS EXTENDING VERTICALLY DOWNWARD FROM THE INTERIOR OF SAID INNER CHAMBER AND CONNECTING WITH SAID BRANCHED INLET CONDUIT, WITH ONE TRANSFER DUCT CONNECTING WITH EACH BRANCH OF SAID INLET CONDUIT, A PLURALITY OF OPENENDED PARTICLE TRANSFER DUCTS EXTENDING FROM THE
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |