US3279892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary chemical reaction furnace for flowable substances
Assignee: SUDDEUTSCHE KALKSTICKSTOFF-WERK AG
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Filing: 1963-06-03
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Granted: 1966-10-18
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Expires: 1983-06-03
Abstract
No abstract record available.
Inventors
- 👤 Lesser Karl-Heinz
- 👤 Schumann Ingomar
- 👤 Kronacher Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:11
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/16; C01C3/18; B; B01; B01J; B01J19/00; B01J19/28; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00157; B01J2219/00159
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
ROTARY FURBACE FOR PRODUCING CHEMICAL REACTIONS BETWEEN FLOOWABLE SOLIDS AND REACTION GASES COMPRISING, AN OUTER MANTLE ROTATABLY MOUNTED, A WALL LINING DEFINING A GENERALLY TUBULAR REACTION CHAMBER EXTENDING LONGITUDINALLLY OF SAID MANTLE AND HAVING A MATERIAL SUPPLY INTAKE AT ONE END AND A DISCHARGE APERATURE AT THE OTHER END, A PLURALITY OF HEATING CHANNELS EXTENDING IN SAID LINING INTERMEDIATE SAID MANTLE AND SAID REACTION CHAMBER AND LONGITUDINALLY OF SAID STRUCTURE OVER A SUBSTANTIAL PORTION OF THE LENGTH THEREOF IN NON-COMMUNICATIVE RELATIONSHIP TO SAID REACTION CHAMBER, BURNER MEANS INCLUDING FUEL NOZZLE EXTENDING INTO SAID CHANNELS AND FUEL SUPPLY CONDUIT THEREOF, SAID NOOZZLE BEING MOUNTED FOR ROTATION WITH SAID FURANCEM AND A STATIONARY COMMON FUEL SUPPLY DISPOSED AT ONE END OF SAID FURANCE IN COMMUNICATION WITH SAID NOZZLE BY WAY OF SAID CONDUITS, SAID HEATING CHANNELS AND NOZZLES EXTENDING ALTERNATELY FROM SAID ONE END HAVING SAID MATERIAL SUPPLY INTAKE AND FROM SAID OTHER END.
Claim 2
Dependent Claim
152 words
ROTARY FURBACE FOR PRODUCING CHEMICAL REACTIONS BETWEEN FLOOWABLE SOLIDS AND REACTION GASES COMPRISING, AN OUTER MANTLE ROTATABLY MOUNTED, A WALL LINING DEFINING A GENERALLY TUBULAR REACTION CHAMBER EXTENDING LONGITUDINALLLY OF SAID MANTLE AND HAVING A MATERIAL SUPPLY INTAKE AT ONE END AND A DISCHARGE APERATURE AT THE OTHER END, A PLURALITY OF HEATING CHANNELS EXTENDING IN SAID LINING INTERMEDIATE SAID MANTLE AND SAID REACTION CHAMBER AND LONGITUDINALLY OF SAID STRUCTURE OVER A SUBSTANTIAL PORTION OF THE LENGTH THEREOF IN NON-COMMUNICATIVE RELATIONSHIP TO SAID REACTION CHAMBER, BURNER MEANS INCLUDING FUEL NOZZLE EXTENDING INTO SAID CHANNELS AND FUEL SUPPLY CONDUIT THEREOF, SAID NOOZZLE BEING MOUNTED FOR ROTATION WITH SAID FURANCEM AND A STATIONARY COMMON FUEL SUPPLY DISPOSED AT ONE END OF SAID FURANCE IN COMMUNICATION WITH SAID NOZZLE BY WAY OF SAID CONDUITS, SAID HEATING CHANNELS AND NOZZLES EXTENDING ALTERNATELY FROM SAID ONE END HAVING SAID MATERIAL SUPPLY INTAKE AND FROM SAID OTHER END.
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |