Patent US2613138A successfully refreshed from Google Patents.
US2613138A
Expired / Lapsed
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Gas-solid contact reactor
Assignee: Directie van de Staatsmijnen in Limburg
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Filing: 1949-02-28
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Granted: 1952-10-07
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Expires: 1969-02-28
Abstract
No abstract record available.
Inventors
- 👤 Willem Van Loon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:45
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01J; B01J8/00; B01J8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
APPARATUS FOR CREATING INTIMATE CONTACT BETWEEN FINELY DIVIDED SOLID SUBSTANCES AND GASES IN CARRYING OUT CHEMICAL REACTIONS WHICH COMPRISES A SERIES OF VERTICALLY SUPERIMPOSED ENCLOSED CHAMBERS, EACH CHAMBER HAVING A BOTTOM AT LEAST A PORTION OF WHICH CONSTITUTES A PLANE INCLINED AT AN ANGLE TO THE VERTICAL, TUBES FIXED INTO THE BOTTOMS OF EACH OF SAID CHAMBERS AT THE BASES OF SAID INCLINED PLANES WITH THE LONGITUDINAL AXES OF THE TUBES AT AN ANGLE TO THE VERTICAL AND AT AN ANGLE TO SAID INCLINED PLANES, SAID TUBES CONSTITUTING COMMUNICATING PASSAGES BETWEEN ADJACENT CHAMBERS, AND AT LEAST ONE OF SAID CHAMBERS HAVING A VERTICAL TUBE DESCENDING FROM THE BOTTOM THEREOF AT A POINT APPRECIABLY DISTANT FROM THE POINT OF ENTRANCE OF THE INCLINED TUBE INTO SAID CHAMBER, SAID VERTICAL TUBE HAVING ITS DEBOUCHMENT ABOVE THE INCLINED PLANE PORTION OF THE UNDERLYING CHAMBER.
Claim 2
Dependent Claim
141 words
APPARATUS FOR CREATING INTIMATE CONTACT BETWEEN FINELY DIVIDED SOLID SUBSTANCES AND GASES IN CARRYING OUT CHEMICAL REACTIONS WHICH COMPRISES A SERIES OF VERTICALLY SUPERIMPOSED ENCLOSED CHAMBERS, EACH CHAMBER HAVING A BOTTOM AT LEAST A PORTION OF WHICH CONSTITUTES A PLANE INCLINED AT AN ANGLE TO THE VERTICAL, TUBES FIXED INTO THE BOTTOMS OF EACH OF SAID CHAMBERS AT THE BASES OF SAID INCLINED PLANES WITH THE LONGITUDINAL AXES OF THE TUBES AT AN ANGLE TO THE VERTICAL AND AT AN ANGLE TO SAID INCLINED PLANES, SAID TUBES CONSTITUTING COMMUNICATING PASSAGES BETWEEN ADJACENT CHAMBERS, AND AT LEAST ONE OF SAID CHAMBERS HAVING A VERTICAL TUBE DESCENDING FROM THE BOTTOM THEREOF AT A POINT APPRECIABLY DISTANT FROM THE POINT OF ENTRANCE OF THE INCLINED TUBE INTO SAID CHAMBER, SAID VERTICAL TUBE HAVING ITS DEBOUCHMENT ABOVE THE INCLINED PLANE PORTION OF THE UNDERLYING CHAMBER.
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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |