US2543898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pelletizing ore fines
Assignee: Erie Mining Co
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Filing: 1946-06-10
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Granted: 1951-03-06
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Vaney Fred D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:39
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406; B; B03; B03D; B03D1/00; B03D1/08; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN THE PROCESS OF PELLETIZING HOMOGENEOUSLY MOISTENED ORE FINES WHICH INVOLVES ROLLING A CHARGE CONSISTING OF SUCH MOIST FINES IN AN INCLINED ROTARY DRUM, IN THE COURSE OF WHICH ROLLING PROCEDURE MOISTURE IS WORKED OUT OF THE INTERIOR OF THE PELLETS ONTO THE SURFACES SO THAT THE FINISHED PELLETS GLISTEN AND TEND TO STICK TO EACH OTHER BY REASON OF THE EXCESSION AMOUNT OF MOISTURE ON THEIR SURFACES, THE STEP OF PREVENTING THE STICKING TOGETHER OF THE FORMED PELLETS WHICH OF DRY SISTS IN APPLYING A FEW PERCENT BY WEIGHT OF DRY ORE FINES TO THE SURFACES OF THE FORMED PELLETS, AT A LOCUS NEAR THE UPPERMOST TRAVEL OF THE PELLETS AND WHERE THE LATTER ARE ROLLING ONTO THEMSELVES, AND THEREUPON PROMPTLY DISCHARGING THE RESULTING NON-STICKY PELLETS FROM THE DRUM.
Claim 2
Dependent Claim
130 words
IN THE PROCESS OF PELLETIZING HOMOGENEOUSLY MOISTENED ORE FINES WHICH INVOLVES ROLLING A CHARGE CONSISTING OF SUCH MOIST FINES IN AN INCLINED ROTARY DRUM, IN THE COURSE OF WHICH ROLLING PROCEDURE MOISTURE IS WORKED OUT OF THE INTERIOR OF THE PELLETS ONTO THE SURFACES SO THAT THE FINISHED PELLETS GLISTEN AND TEND TO STICK TO EACH OTHER BY REASON OF THE EXCESSION AMOUNT OF MOISTURE ON THEIR SURFACES, THE STEP OF PREVENTING THE STICKING TOGETHER OF THE FORMED PELLETS WHICH OF DRY SISTS IN APPLYING A FEW PERCENT BY WEIGHT OF DRY ORE FINES TO THE SURFACES OF THE FORMED PELLETS, AT A LOCUS NEAR THE UPPERMOST TRAVEL OF THE PELLETS AND WHERE THE LATTER ARE ROLLING ONTO THEMSELVES, AND THEREUPON PROMPTLY DISCHARGING THE RESULTING NON-STICKY PELLETS FROM THE DRUM.
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |