Patent US2973254A successfully refreshed from Google Patents.
US2973254A
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Freeze-proofing of coke
Assignee: Honeywell International Inc
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Filing: 1958-01-27
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Granted: 1961-02-28
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Lawrence D Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:01
CPC Classifications
C; C10; C10L; C10L9/00; C10L9/10; B; B65; B65G; B65G69/00; B65G69/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A METHOD FOR FREEZE-PROOFING COKE CONTAINED IN AN OPEN-TOP RAILROAD CAR HAVING A LOWER DISCHARGE OUTLET, WHICH COMPRISES APPLYING A WETTING AGENT IN AMOUNT OF FROM ABOUT .05 TO 2 POUNDS PER ONE TON OF COKE TO THE TOP SURFACE ONLY OF A BULK MASS OF CONSIDERABLE DEPTH OF NORMALLY FREE-FLOWING COKE PIECES IN THE RAILROAD CAR WHEREBY WATER CONTACTING THE TREATED TOP SURFACE PASSES INTO THE PORES IN THE INTERIOR OF COKE PIECES IN THE UPPER PORTION OF THE MASS TO FREEZE SUBSTANTIALLY HARMLESSLY THEREIN AT A TEMPERATURE BELOW THE FREEZING POINT OF WATER, PASSAGE OF A SUBSTANTIAL QUANTITY OF WATER DOWNWARDLY INTO THE LOWER PORTION OF THE COKE MASS BEING THEREBY AVOIDED, AND AGGLOMERATION OF COKE PIECES IN THE LOWER PORTION OF THE MASS WITH RESULTANT BLOCKING OF EGRESS OF FREE-FLOWING COKE PIECES FROM THE CAR LOWER OUTLET DUE TO WATER FREEZING AT THE BELOW-FREEZING TEMPERATURE BEING THEREBY AVOIDED.
Claim 2
Independent Claim
151 words
A METHOD FOR FREEZE-PROOFING COKE CONTAINED IN AN OPEN-TOP RAILROAD CAR HAVING A LOWER DISCHARGE OUTLET, WHICH COMPRISES APPLYING A WETTING AGENT IN AMOUNT OF FROM ABOUT .05 TO 2 POUNDS PER ONE TON OF COKE TO THE TOP SURFACE ONLY OF A BULK MASS OF CONSIDERABLE DEPTH OF NORMALLY FREE-FLOWING COKE PIECES IN THE RAILROAD CAR WHEREBY WATER CONTACTING THE TREATED TOP SURFACE PASSES INTO THE PORES IN THE INTERIOR OF COKE PIECES IN THE UPPER PORTION OF THE MASS TO FREEZE SUBSTANTIALLY HARMLESSLY THEREIN AT A TEMPERATURE BELOW THE FREEZING POINT OF WATER, PASSAGE OF A SUBSTANTIAL QUANTITY OF WATER DOWNWARDLY INTO THE LOWER PORTION OF THE COKE MASS BEING THEREBY AVOIDED, AND AGGLOMERATION OF COKE PIECES IN THE LOWER PORTION OF THE MASS WITH RESULTANT BLOCKING OF EGRESS OF FREE-FLOWING COKE PIECES FROM THE CAR LOWER OUTLET DUE TO WATER FREEZING AT THE BELOW-FREEZING TEMPERATURE BEING THEREBY AVOIDED.
References Cited (Backward Citations)
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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) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |