Patent US3104020A successfully refreshed from Google Patents.
US3104020A
Expired / Lapsed
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Apparatus for gasification of finely divided solid fuels
Assignee: Beazer East Inc
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Filing: 1961-03-13
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Granted: 1963-09-17
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Klapp Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:16
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/50; C10J3/506; C10J2200/00; C10J2200/15; C10J2200/158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN AN APPARATUS FOR PLACING FINELY DIVIDED SOLID FUEL IN SUSPENSION IN A GASEOUS MEDIUM IN A MIXING ZONE, THE COMBINATION OF A HOUSING HAVING A CYLINDRICAL BORE, SAID HOUSING BEING ROTATABLY MOUNTED WITH ONE OPEN END THEREOF IN A DELIVERY ZONE AND THE OTHER OPEN END THEREOF IN A ZONE FOR THE SUPPLY OF POWDERED FUEL, SAID DELIVERY ZONE BEING AT A DIFFERENT PRESSURE FROM THE SUPPLY ZONE, A FEED SCREW EXTENDING ALONG SAID BORE FROM THE INTERIOR OF SAID SUPPLY ZONE, FIRST MEANS FOR ROTATING SAID FEED SCREW TO ADVANCE POWDERED FUEL FROM SAID SUPPLY ZONE TO SAID DELIVERY ZONE AND SECOND MEANS INDEPENDENT
Claim 2
Dependent Claim
106 words
IN AN APPARATUS FOR PLACING FINELY DIVIDED SOLID FUEL IN SUSPENSION IN A GASEOUS MEDIUM IN A MIXING ZONE, THE COMBINATION OF A HOUSING HAVING A CYLINDRICAL BORE, SAID HOUSING BEING ROTATABLY MOUNTED WITH ONE OPEN END THEREOF IN A DELIVERY ZONE AND THE OTHER OPEN END THEREOF IN A ZONE FOR THE SUPPLY OF POWDERED FUEL, SAID DELIVERY ZONE BEING AT A DIFFERENT PRESSURE FROM THE SUPPLY ZONE, A FEED SCREW EXTENDING ALONG SAID BORE FROM THE INTERIOR OF SAID SUPPLY ZONE, FIRST MEANS FOR ROTATING SAID FEED SCREW TO ADVANCE POWDERED FUEL FROM SAID SUPPLY ZONE TO SAID DELIVERY ZONE AND SECOND MEANS INDEPENDENT
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |