US2858204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintering
Assignee: GEA Group AG
•
Filing: 1956-07-10
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Granted: 1958-10-28
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Meyer Kurt
- 👤 Rausch Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:03
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR SINSTERING FINE GRAINED OXIDES OF METALS WHICH ARE SUBSEQUENTLY REDUCED, COMPRISING MIXING AND CRUMBLING A MOIST MIXTURE OF SAID OXIDES, SINTERED RETURN MATERIAL AND SOLID FUEL, SAID FUEL BEING IN A QUANTITY TO LEAVE A SUBSTANTIAL AMOUNT OF RESIDUAL COKE WITHIN THE SINTERED PRODUCT, ROLLING THE CRUMBLED MIXTURE TO FORM PELLETS OF NON-UNIFORM SIZE RANGING IN DIAMETER FROM 2 TO 15 MM., AND IMMEDIATELY THEREAFTER SINTERING A MASS OF SAID PELLETS TO FORM A COHERENT SINTER CAKE ADAPTED TO BE BROKEN UP FOR FURTHER PROCESSING.
Claim 2
Dependent Claim
88 words
A PROCESS FOR SINSTERING FINE GRAINED OXIDES OF METALS WHICH ARE SUBSEQUENTLY REDUCED, COMPRISING MIXING AND CRUMBLING A MOIST MIXTURE OF SAID OXIDES, SINTERED RETURN MATERIAL AND SOLID FUEL, SAID FUEL BEING IN A QUANTITY TO LEAVE A SUBSTANTIAL AMOUNT OF RESIDUAL COKE WITHIN THE SINTERED PRODUCT, ROLLING THE CRUMBLED MIXTURE TO FORM PELLETS OF NON-UNIFORM SIZE RANGING IN DIAMETER FROM 2 TO 15 MM., AND IMMEDIATELY THEREAFTER SINTERING A MASS OF SAID PELLETS TO FORM A COHERENT SINTER CAKE ADAPTED TO BE BROKEN UP FOR FURTHER PROCESSING.
References Cited (Backward Citations)
GB690668A
Cited
US2750274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |