US3009787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making carbon black
Assignee: Continental Carbon Co
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Filing: 1959-08-27
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Granted: 1961-11-21
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Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Ruble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:26
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; C01; C01P; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN AN APPARATUS FOR MAKING CARBON BLACK, A CYLINDRICAL COMBUSTION CHAMBER HAVING AN AXIALLY DISPOSED DIRECTLY COMMUNICATING CYLINDRICAL INLET PORT OF SUBSTANTIALLY REDUCED DIAMETER, A FUEL GAS SUPPLY PIPE DISPOSED CONCENTRICALLY IN SAID CYLINDRICAL INLET PORT AND TERMINATING SHORT OF THE INNER END OF THE LATTER, A CIRCULAR PLATE SECURED TO THE INNER END OF SAID FUEL GAS SUPPLY PIPE AND IN AXIAL ALIGNMENT THEREWITH, THE DIAMETER OF SAID CIRCULAR PLATE BEING SUBSTANTIALLY GREATER THAN THAT OF SAID FUEL GAS SUPPLY PIPE BUT SUBSTANTIALLY LESS THAN THE DIAMETER OF SAID CYLINDRICAL INLET PORT, THE WALL OF SAID FUEL GAS SUPPLY PIPE HAVING A SERIES OF RADIAL APERTURES DISPOSED ADJACENT THE REARWARD FACE OF SAID CIRCULAR PLATE, AN OIL SUPPLY PIPE DISPOSED CONCENTRICALLY OF SAID FUEL GAS SUPPLY PIPE, THE INNER END OF SAID OIL SUPPLY PIPE EXTENDING THROUGH AND PROJECTING SLIGHTLY FROM SAID CIRCULAR PLATE, SAID PLATE BEING OTHERWISE IMPERFORATE, AND MEANS FOR SUPPLYING COMBUSTION AIR TO SAID CYLINDRICAL INLET PORT.
Claim 2
Dependent Claim
161 words
IN AN APPARATUS FOR MAKING CARBON BLACK, A CYLINDRICAL COMBUSTION CHAMBER HAVING AN AXIALLY DISPOSED DIRECTLY COMMUNICATING CYLINDRICAL INLET PORT OF SUBSTANTIALLY REDUCED DIAMETER, A FUEL GAS SUPPLY PIPE DISPOSED CONCENTRICALLY IN SAID CYLINDRICAL INLET PORT AND TERMINATING SHORT OF THE INNER END OF THE LATTER, A CIRCULAR PLATE SECURED TO THE INNER END OF SAID FUEL GAS SUPPLY PIPE AND IN AXIAL ALIGNMENT THEREWITH, THE DIAMETER OF SAID CIRCULAR PLATE BEING SUBSTANTIALLY GREATER THAN THAT OF SAID FUEL GAS SUPPLY PIPE BUT SUBSTANTIALLY LESS THAN THE DIAMETER OF SAID CYLINDRICAL INLET PORT, THE WALL OF SAID FUEL GAS SUPPLY PIPE HAVING A SERIES OF RADIAL APERTURES DISPOSED ADJACENT THE REARWARD FACE OF SAID CIRCULAR PLATE, AN OIL SUPPLY PIPE DISPOSED CONCENTRICALLY OF SAID FUEL GAS SUPPLY PIPE, THE INNER END OF SAID OIL SUPPLY PIPE EXTENDING THROUGH AND PROJECTING SLIGHTLY FROM SAID CIRCULAR PLATE, SAID PLATE BEING OTHERWISE IMPERFORATE, AND MEANS FOR SUPPLYING COMBUSTION AIR TO SAID CYLINDRICAL INLET PORT.
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |