US2976127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making carbon black
Assignee: Continental Carbon Co
•
Filing: 1958-12-01
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Granted: 1961-03-21
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Burton F Latham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:54
CPC Classifications
B; B01; B01J; B01J19/00; C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
APPARATUS FOR MAKING CARBON BLACK COMPRISING A CYLINDRICAL COMBUSTION CHAMBER, A CENTRALLY APERTURED PLATE SECURED TO ONE END OF SAID CYLINDRICAL COMBUSTION CHAMBER; A CYLINDRICAL AIR BOX SECURED TO SAID CENTRALLY APERTURED PLATE; A CYLINDRICAL AIR BAFFLE DISPOSED CONCENTRICALLY WITHIN SAID CYLINDRICAL AIR BOX AND HAVING A SUBSTANTIALLY IMPERFORATE SIDE-WALL; THE INSIDE DIAMETER OF SAID CYLINDRICAL AIR BAFFLE BEING SUBSTANTIALLY THE SAME AS THE SIDE DIAMETER OF SAID CYLINDRICAL COMBUSTION CHAMBER; THE INNER END OF SAID CYLINDRICAL AND AIR BAFFLE TERMINATING IN CONTACT WITH SAID CENTRALLY APERTURED PLATE AND THE OUTER END THEREOF TERMINATING PROXIMATE, BUT SPACED FROM, THE OUTER END-WALL OF SAID CYLINDRICAL AIR BOX; MEANS FOR SUPPLYING AIR TO SAID CYLINDRICAL AIR BOX; A LONGITUDINALLY ADJUSTABLE FUEL GAS SUPPLY PIPE DISPOSED AXIALLY OF SAID CYLINDRICAL AIR BAFFLE AND TERMINATING ADJACENT SAID CENTRALLY APERTURED PLATE; A DISK SECURED TO
Claim 2
Dependent Claim
140 words
APPARATUS FOR MAKING CARBON BLACK COMPRISING A CYLINDRICAL COMBUSTION CHAMBER, A CENTRALLY APERTURED PLATE SECURED TO ONE END OF SAID CYLINDRICAL COMBUSTION CHAMBER; A CYLINDRICAL AIR BOX SECURED TO SAID CENTRALLY APERTURED PLATE; A CYLINDRICAL AIR BAFFLE DISPOSED CONCENTRICALLY WITHIN SAID CYLINDRICAL AIR BOX AND HAVING A SUBSTANTIALLY IMPERFORATE SIDE-WALL; THE INSIDE DIAMETER OF SAID CYLINDRICAL AIR BAFFLE BEING SUBSTANTIALLY THE SAME AS THE SIDE DIAMETER OF SAID CYLINDRICAL COMBUSTION CHAMBER; THE INNER END OF SAID CYLINDRICAL AND AIR BAFFLE TERMINATING IN CONTACT WITH SAID CENTRALLY APERTURED PLATE AND THE OUTER END THEREOF TERMINATING PROXIMATE, BUT SPACED FROM, THE OUTER END-WALL OF SAID CYLINDRICAL AIR BOX; MEANS FOR SUPPLYING AIR TO SAID CYLINDRICAL AIR BOX; A LONGITUDINALLY ADJUSTABLE FUEL GAS SUPPLY PIPE DISPOSED AXIALLY OF SAID CYLINDRICAL AIR BAFFLE AND TERMINATING ADJACENT SAID CENTRALLY APERTURED PLATE; A DISK SECURED TO
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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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |