US3133804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating molten ash or slag
Assignee: Babcock and Wilcox Co
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Filing: 1960-06-13
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Granted: 1964-05-19
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Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Hardgrove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:11
CPC Classifications
C; C04; C04B; C04B5/00; C21; C21B; C21B3/00; C21B3/04; C21B3/06; C21B3/08; F; F23; F23J; F23J1/00; C21B2400/00; C21B2400/02; C21B2400/022; C21B2400/024; C21B2400/05; C21B2400/066; C21B2400/072; F23J2700/00; F23J2700/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR THE CONTROLLED COOLING OF A STREAM OF MOLTEN ASH WHICH COMPRISES MEANS DEFINING AN OPENING FOR THE MOVEMENT OF A STREAM OF MOLTEN ASH DOWNWARDLY THERETHROUGH, A COOLING FLUID CONTAINING TANK POSITIONED BENEATH SAID OPENING TO RECEIVE SAID STREAM OF MOLTEN ASH, CONVEWYOR MEANS POSITIONED IN THE UPPER PORTION OF SAID TANK OPERABLE TO MOVE SUBSTANTIALLY HORZONTALLY ACROSS SAID TANK FROM A MOLTEN ASH RECEIVING POSITION BENAEATH SAID OPENING TO A SOLIDIFIED ASH DISCHARGE POSITION OUTSIDE OF SAID TANK, AND MEANS FOR MAINTAINING A LEVEL OF COOLING FLUID WITHIN SAID TANK TO ESTABLISH A FILM OF COOLING FLUID ON THE UPPER SURFACE OF SAID CONVEYOR WITHIN SAID TANK TO COOL THE CONVEYOR AND TO SLOWLY SOLIDIFY THE MOLTEN ASH DEPOSITED ON SAID CONVEYOR.
Claim 2
Dependent Claim
125 words
APPARATUS FOR THE CONTROLLED COOLING OF A STREAM OF MOLTEN ASH WHICH COMPRISES MEANS DEFINING AN OPENING FOR THE MOVEMENT OF A STREAM OF MOLTEN ASH DOWNWARDLY THERETHROUGH, A COOLING FLUID CONTAINING TANK POSITIONED BENEATH SAID OPENING TO RECEIVE SAID STREAM OF MOLTEN ASH, CONVEWYOR MEANS POSITIONED IN THE UPPER PORTION OF SAID TANK OPERABLE TO MOVE SUBSTANTIALLY HORZONTALLY ACROSS SAID TANK FROM A MOLTEN ASH RECEIVING POSITION BENAEATH SAID OPENING TO A SOLIDIFIED ASH DISCHARGE POSITION OUTSIDE OF SAID TANK, AND MEANS FOR MAINTAINING A LEVEL OF COOLING FLUID WITHIN SAID TANK TO ESTABLISH A FILM OF COOLING FLUID ON THE UPPER SURFACE OF SAID CONVEYOR WITHIN SAID TANK TO COOL THE CONVEYOR AND TO SLOWLY SOLIDIFY THE MOLTEN ASH DEPOSITED ON SAID CONVEYOR.
References Cited (Backward Citations)
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Cited
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Cited
FR893833A
Cited
GB568160A
Cited
US2918697A
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US2873554A
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US2911671A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |