Patent US2867513A successfully refreshed from Google Patents.
US2867513A
Expired / Lapsed
US
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Process and apparatus for pelleting
Assignee: Phillips Petroleum Co
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Filing: 1956-01-19
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Granted: 1959-01-06
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Lyndon D Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:41
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/12; C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
54 words
A PROCESS FOR PELLETING POWDERED PELLETABLE MATERIAL WHICH COMPRISES PELLETING SAID MATERIAL IN A PLURALITY OF ROTATING PELLET MILLS; COLLECTING EFFLUENT PELLETS FROM SAID MILLS IN A COMMON MASS; RECYCLING A PORTION OF THE PELLETS FROM SAID MASS TO EACH OF SAID MILLS; AND RECOVERING ANOTHER PORTION OF PELLETS FROM SAID MASS AS PRODUCT.
Claim 2
Dependent Claim
54 words
A PROCESS FOR PELLETING POWDERED PELLETABLE MATERIAL WHICH COMPRISES PELLETING SAID MATERIAL IN A PLURALITY OF ROTATING PELLET MILLS; COLLECTING EFFLUENT PELLETS FROM SAID MILLS IN A COMMON MASS; RECYCLING A PORTION OF THE PELLETS FROM SAID MASS TO EACH OF SAID MILLS; AND RECOVERING ANOTHER PORTION OF PELLETS FROM SAID MASS AS PRODUCT.
Claim 3
Dependent Claim
65 words
APPARATUS FOR PELLETING POWDERED PELLETABLE MATERIAL COMPRISING IN COMBINATION A PLURALITY OF SEPARATE, INDEPENDENTLY ROTATABLE PELLETING MILLS EACH HAVING A FEED LINE LEADING INTO ONE END AND AN EFFLUENT PELLET LINE LEADING FROM THE OTHER END; COMMON PELLET COLLECTING MEANS CONNECTED WITH EACH SAID EFFLUENT LINE; AND PELLET RECYCLE CONVEYOR MEANS CONNECTING SAID COMMON PELLET COLLECTING MEANS TO THE FEED END OF EACH SAID MILL.
Claim 4
Dependent Claim
65 words
APPARATUS FOR PELLETING POWDERED PELLETABLE MATERIAL COMPRISING IN COMBINATION A PLURALITY OF SEPARATE, INDEPENDENTLY ROTATABLE PELLETING MILLS EACH HAVING A FEED LINE LEADING INTO ONE END AND AN EFFLUENT PELLET LINE LEADING FROM THE OTHER END; COMMON PELLET COLLECTING MEANS CONNECTED WITH EACH SAID EFFLUENT LINE; AND PELLET RECYCLE CONVEYOR MEANS CONNECTING SAID COMMON PELLET COLLECTING MEANS TO THE FEED END OF EACH SAID MILL.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |