US3104164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for processing slag
Assignee: SP Kinney Engineers Inc
•
Filing: 1961-04-06
•
Granted: 1963-09-17
•
Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Osborne Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:14
CPC Classifications
C; C21; C21B; C21B3/00; C21B3/04; C21B3/06; C21B3/08; C03; C03B; C03B19/00; C03B19/10; C03B19/108; C03B19/1085; C21B2400/00; C21B2400/02; C21B2400/022; C21B2400/024; C21B2400/026; C21B2400/05; C21B2400/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF CONVERTING MOLTEEN SLAG INTO EXPANDED AGGREGATE WHICH COMPRISES CONTINUOUSLY DISPERSING A FALLING STREAM OF MOLTEN SLAG BY A BLAST OF GAS INTO PELLETS AND PROJECTING THE PELLETS THROUGH A MIS-LIKE SPRAY OF WATER TO EXPAND THE SLAG AND I NCREASE POROSITY THERREOF BUT FROM WHICH THE PELLETS EMERGE AT A TEMPERATURE WHERE THEY ARE STILL SOMEWHAT PLASTIC AND INCANDECENT, ROLLING THE PELLETS AFTER THEY EMERGE OVER A COOLED SURFACE TO
Claim 2
Independent Claim
73 words
THE METHOD OF CONVERTING MOLTEEN SLAG INTO EXPANDED AGGREGATE WHICH COMPRISES CONTINUOUSLY DISPERSING A FALLING STREAM OF MOLTEN SLAG BY A BLAST OF GAS INTO PELLETS AND PROJECTING THE PELLETS THROUGH A MIS-LIKE SPRAY OF WATER TO EXPAND THE SLAG AND I NCREASE POROSITY THERREOF BUT FROM WHICH THE PELLETS EMERGE AT A TEMPERATURE WHERE THEY ARE STILL SOMEWHAT PLASTIC AND INCANDECENT, ROLLING THE PELLETS AFTER THEY EMERGE OVER A COOLED SURFACE TO
References Cited (Backward Citations)
US721293A
Cited
US1938876A
Cited
US2450978A
Cited
US2702407A
Cited
US2939172A
Cited
US2987411A
Cited
US2977239A
Cited
US2978742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |