Patent US3297550A successfully refreshed from Google Patents.
US3297550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for the manufacture of coke
Assignee: Blaw Knox Co
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Filing: 1963-09-23
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Granted: 1967-01-10
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Alberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:12
CPC Classifications
C; C10; C10B; C10B49/00; C10B49/02; C10B49/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
THE PROCESS OF PREPARING COKE FROM COAL WHICH COMPRISES MOVING IT CONTINUOUSLY THROUGH A CLOSED ENVIRONMENT, ADMITTING AIR TO SAID ENVIRONMENT AND BURNING ONLY A PART OF THE VOLATILES IN THE ENVIRONMENT TO SUSTAIN THE COKING OPERATION WHILE CONSUMING ALL OF THE OXYGEN FROM THE AIR SO ADMITTED, TRANSFERRING INCOMPLETELY COKED FUEL FROM SAID CLOSED ENVIRONMENT TO A FINISHING SECTION HAVING A RECEIVING END AND A DISCHARGE END, WITHDRAWING MAKE-GAS FROM SAID CLOSED ENVIRONMENT, RECYCLING GAS FROM THE RECEIVING END OF THE FINISHING SECTION AND RETURNING IT ONLY TO THE FINISHING SECTION AT A LOCATION REMOTE FROM THE RECEIVING END FOR COOLING THE COKE, INTRODUCING AIR INTO THE RECYCLED GASES IN AN AMOUNT TO COMPLETE THE COKING OF THE FUEL BUT INSUFFICIENT TO SUBSTANTIALLY BURN THE COKE, AND REGULATING THE FLOW OF RECYCLED GASES AND AIR SO THAT THE PRESSURE IN THE RECEIVING END OF THE FINISHING
Claim 2
Dependent Claim
147 words
THE PROCESS OF PREPARING COKE FROM COAL WHICH COMPRISES MOVING IT CONTINUOUSLY THROUGH A CLOSED ENVIRONMENT, ADMITTING AIR TO SAID ENVIRONMENT AND BURNING ONLY A PART OF THE VOLATILES IN THE ENVIRONMENT TO SUSTAIN THE COKING OPERATION WHILE CONSUMING ALL OF THE OXYGEN FROM THE AIR SO ADMITTED, TRANSFERRING INCOMPLETELY COKED FUEL FROM SAID CLOSED ENVIRONMENT TO A FINISHING SECTION HAVING A RECEIVING END AND A DISCHARGE END, WITHDRAWING MAKE-GAS FROM SAID CLOSED ENVIRONMENT, RECYCLING GAS FROM THE RECEIVING END OF THE FINISHING SECTION AND RETURNING IT ONLY TO THE FINISHING SECTION AT A LOCATION REMOTE FROM THE RECEIVING END FOR COOLING THE COKE, INTRODUCING AIR INTO THE RECYCLED GASES IN AN AMOUNT TO COMPLETE THE COKING OF THE FUEL BUT INSUFFICIENT TO SUBSTANTIALLY BURN THE COKE, AND REGULATING THE FLOW OF RECYCLED GASES AND AIR SO THAT THE PRESSURE IN THE RECEIVING END OF THE FINISHING
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |