US2651565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for uniform distribution and contacting of subdivided solid particles
Assignee: Universal Oil Products Co
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Filing: 1951-05-02
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Granted: 1953-09-08
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Expires: 1971-05-02
Abstract
No abstract record available.
Inventors
- 👤 Donald J Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR UNIFORMLY DISTRIBUTING AND CONTACTING SUBDIVIDED PARTICLES AT AN ELEVATED TEMPERATURE WHICH COMPRISES A VERTICAL CONTACTING CHAMBER HAVING A BOTTOM CLOSURE HEAD PROVIDED WITH A FLUID INLET THERETHROUGH, A FLUID OUTLET AT THE UPPER PORTION OF THE CHAMBER, A PERFORATED DISTRIBUTING PLATE EXTENDING ACROSS THE LOWER PORTION OF THE CHAMBER ABOVE SAID BOTTOM CLOSURE HEAD AND TERMINATING SHORT OF THE SIDE WALLS OF THE CHAMBER, A SUPPORTING SKIRT MEMBER EXTENDING UPWARDLY FROM SAID HEAD TO THE PERIPHERAL PORTION OF SAID PLATE, A STATIONARY, LOOSE INSULATION FILL IN THE SPACE BETWEEN SAID SKIRT MEMBER AND THE SIDE WALLS OF THE CHAMBER, AND A PARTICLE OUTLET FOR SAID CHAMBER INTERMEDIATE SAID FLUID OUTLET AND SAID PLATE.
Claim 2
Dependent Claim
115 words
APPARATUS FOR UNIFORMLY DISTRIBUTING AND CONTACTING SUBDIVIDED PARTICLES AT AN ELEVATED TEMPERATURE WHICH COMPRISES A VERTICAL CONTACTING CHAMBER HAVING A BOTTOM CLOSURE HEAD PROVIDED WITH A FLUID INLET THERETHROUGH, A FLUID OUTLET AT THE UPPER PORTION OF THE CHAMBER, A PERFORATED DISTRIBUTING PLATE EXTENDING ACROSS THE LOWER PORTION OF THE CHAMBER ABOVE SAID BOTTOM CLOSURE HEAD AND TERMINATING SHORT OF THE SIDE WALLS OF THE CHAMBER, A SUPPORTING SKIRT MEMBER EXTENDING UPWARDLY FROM SAID HEAD TO THE PERIPHERAL PORTION OF SAID PLATE, A STATIONARY, LOOSE INSULATION FILL IN THE SPACE BETWEEN SAID SKIRT MEMBER AND THE SIDE WALLS OF THE CHAMBER, AND A PARTICLE OUTLET FOR SAID CHAMBER INTERMEDIATE SAID FLUID OUTLET AND SAID PLATE.
References Cited (Backward Citations)
US2548026A
Cited
US2500519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |