US3384974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for wet pellet drying
Assignee: Phillips Petroleum Co
•
Filing: 1967-03-20
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Granted: 1968-05-28
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Carl E Alleman
- 👤 Robert A Fewel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:51
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1105812A
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US765997A
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US2486205A
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US2952921A
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US2959869A
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US3168383A
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US3204341A
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |