US2548332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomerating apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1945-04-14
•
Granted: 1951-04-10
•
Expires: 1965-04-14
Abstract
No abstract record available.
Inventors
- 👤 Alexander Cruzan
- 👤 Thomas H Whaley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:52
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/16; C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/60; C01; C01P; C01P2006/00; C01P2006/10; Y; Y10; Y10S; Y10S55/00; Y10S55/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2213056A
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US2316207A
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US2327016A
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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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |