Patent US2698332A successfully refreshed from Google Patents.
Patent US2610909A successfully refreshed from Google Patents.
US2610909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic apparatus
Assignee: Universal Oil Products Co
•
Filing: 1950-02-02
•
Granted: 1952-09-16
•
Expires: 1970-02-02
Abstract
No abstract record available.
Inventors
- 👤 Robert K Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
APPARATUS FOR INTRODUCING SUBDIVIDED PARTICLES INTO A CONFINED CONTACTING CHAMBER, WHICH COMPRISES IN COMBINATION, A PARTICLE INLET CONDUIT EXTENDING DOWNWARDLY INTO SAID CHAMBER, A FLUID INLET CONDUIT EXTENDING INTO SAID CHAMBER AND HAVING A FLUID DISTRIBUTING MEANS POSITIONED A SHORT DISTANCE DIRECTLY BELOW THE END OF SAID PARTICLE INLET CONDUIT, A CYLINDRICALLY SHAPED BAFFLE SPACED FROM AND ENCIRCLING THE LOWER END OF SAID PARTICLE INLET CONDUIT FORMING AN INNER FLUIDIZED CONTACTING SECTION AND AN OUTER PARTICLE SETTLING SECTION, SAID DISTRIBUTING MEANS AT THE END OF SAID FLUID INLER CONDUIT COMPRISING A HORIZONTAL PLATE HAVING A FLAT IMPERFORATE PORTION BENEATH THE LOWER END OF SAID PARTICLE INLET CONDUIT AND A PLURALITY OF ORIFICES DIRECTED UPWARDLY AND OUTWARDLY FROM THE PERIPHERY OF SAID HORIZONTAL PLATE AND FLUID DISTRIBUTING MEANS TOWARD ON INTERMEDIATE PORTION OF SAID CYLINDRICAL BAFFLE, WITH SAID PLURALITY OF JET ORIFICES EFFECTIVE IN ENTRAINING PARTICLES FROM THE ACCUMULATION THEREOF ON SAID HORIZONTAL PLATE AND CARRYING THEM IN A FLUIDIZED FLOW UPWARDLY THROUGH SAID INNER FLUIDIZED CONTACTING SECTION PRIOR TO PASSING DOWNWARDLY THROUGH SAID OUTER ANNULAR SETTLING ZONE.
Claim 2
Dependent Claim
177 words
APPARATUS FOR INTRODUCING SUBDIVIDED PARTICLES INTO A CONFINED CONTACTING CHAMBER, WHICH COMPRISES IN COMBINATION, A PARTICLE INLET CONDUIT EXTENDING DOWNWARDLY INTO SAID CHAMBER, A FLUID INLET CONDUIT EXTENDING INTO SAID CHAMBER AND HAVING A FLUID DISTRIBUTING MEANS POSITIONED A SHORT DISTANCE DIRECTLY BELOW THE END OF SAID PARTICLE INLET CONDUIT, A CYLINDRICALLY SHAPED BAFFLE SPACED FROM AND ENCIRCLING THE LOWER END OF SAID PARTICLE INLET CONDUIT FORMING AN INNER FLUIDIZED CONTACTING SECTION AND AN OUTER PARTICLE SETTLING SECTION, SAID DISTRIBUTING MEANS AT THE END OF SAID FLUID INLER CONDUIT COMPRISING A HORIZONTAL PLATE HAVING A FLAT IMPERFORATE PORTION BENEATH THE LOWER END OF SAID PARTICLE INLET CONDUIT AND A PLURALITY OF ORIFICES DIRECTED UPWARDLY AND OUTWARDLY FROM THE PERIPHERY OF SAID HORIZONTAL PLATE AND FLUID DISTRIBUTING MEANS TOWARD ON INTERMEDIATE PORTION OF SAID CYLINDRICAL BAFFLE, WITH SAID PLURALITY OF JET ORIFICES EFFECTIVE IN ENTRAINING PARTICLES FROM THE ACCUMULATION THEREOF ON SAID HORIZONTAL PLATE AND CARRYING THEM IN A FLUIDIZED FLOW UPWARDLY THROUGH SAID INNER FLUIDIZED CONTACTING SECTION PRIOR TO PASSING DOWNWARDLY THROUGH SAID OUTER ANNULAR SETTLING ZONE.
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) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |