Patent US3012864A successfully refreshed from Google Patents.
US3012864A
Expired / Lapsed
US
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Apparatus for making carbon black
Assignee: Continental Carbon Co
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Filing: 1960-01-19
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Granted: 1961-12-12
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Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Burton F Latham
- 👤 Theodore A Ruble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:49
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; C01; C01P; C01P2004/00; C01P2004/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN AN APPARATUS FOR MAKING CARBON BLACK, A METALLIC TUBULAR HOUSING, A SECOND METALLIC TUBULAR HOUSING DIPOSED IN SPACED RELATIONSHIP WITH RESPECT TO SAID FIRSTNAMED METALLIC TUBULAR HOUSING AND IN AXIAL ALIGNMENT THEREWITH, A REFRACTORY TUBULAR HOUSING DISPOSED BETWEEN, AND COMMUNICATING WITH, SAID METALLIC TUBULAR HOUSINGS, AN AIR JACKET FOR SAID FIRST-NAMED METALLIC TUBULAR HOUSING, A SEPARATE AIR JACKET FOR SAID SECOND-NAMED METALLIC TUBULAR HOUSING, THE OUTER END OF SAID FIRST-NAMED AIR JACKET EXTENDING BEYOND THE CORRESPONDING END OF SAID FIRST-NAMED METALLIC TUBULAR HOUSING AND PROVIDING AN UNOBSTRUCTED CHAMBER THEREIN, A GAS BURNER DISPOSED IN SAID UNOBSTRUCTED CHAMBER AND IN AXIAL ALIGNMENT WITH ALL OF SAID TUBULAR HOUSINGS, MEANS FOR SUPPLYING LIQUID HYDROCARBON TO THE FLAME PRODUCED BY SAID GAS BURNER, MEANS FOR DIRECTING AIR FROM THE INNER END OF SAID FIRSTNAMED AIR JACKET TOWARD THE OUTER END THEREOF AND ACCORDINGLY INTO SAID UNOBSTRUCTED CHAMBER, AND MEANS FOR DIRETING AIR THROUGH SAID SECOND-NAMED AIR JACKET.
Claim 2
Dependent Claim
155 words
IN AN APPARATUS FOR MAKING CARBON BLACK, A METALLIC TUBULAR HOUSING, A SECOND METALLIC TUBULAR HOUSING DIPOSED IN SPACED RELATIONSHIP WITH RESPECT TO SAID FIRSTNAMED METALLIC TUBULAR HOUSING AND IN AXIAL ALIGNMENT THEREWITH, A REFRACTORY TUBULAR HOUSING DISPOSED BETWEEN, AND COMMUNICATING WITH, SAID METALLIC TUBULAR HOUSINGS, AN AIR JACKET FOR SAID FIRST-NAMED METALLIC TUBULAR HOUSING, A SEPARATE AIR JACKET FOR SAID SECOND-NAMED METALLIC TUBULAR HOUSING, THE OUTER END OF SAID FIRST-NAMED AIR JACKET EXTENDING BEYOND THE CORRESPONDING END OF SAID FIRST-NAMED METALLIC TUBULAR HOUSING AND PROVIDING AN UNOBSTRUCTED CHAMBER THEREIN, A GAS BURNER DISPOSED IN SAID UNOBSTRUCTED CHAMBER AND IN AXIAL ALIGNMENT WITH ALL OF SAID TUBULAR HOUSINGS, MEANS FOR SUPPLYING LIQUID HYDROCARBON TO THE FLAME PRODUCED BY SAID GAS BURNER, MEANS FOR DIRECTING AIR FROM THE INNER END OF SAID FIRSTNAMED AIR JACKET TOWARD THE OUTER END THEREOF AND ACCORDINGLY INTO SAID UNOBSTRUCTED CHAMBER, AND MEANS FOR DIRETING AIR THROUGH SAID SECOND-NAMED AIR JACKET.
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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |