Patent US2548332A successfully refreshed from Google Patents.
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
2026-10-29 10:23
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US798880A
Cited
US1355105A
Cited
US1391013A
Cited
US1984380A
Cited
US1788345A
Cited
US2054441A
Cited
US2185158A
Cited
US2221175A
Cited
US2213056A
Cited
US2332057A
Cited
US2306698A
Cited
US2316207A
Cited
US2327016A
Cited
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 |