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Patent US2485906A successfully refreshed from Google Patents.
US2485906A
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Catalytic hydrocarbon conversion
Assignee: Phillips Petroleum Co
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Filing: 1948-01-02
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Granted: 1949-10-25
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Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jr King Louis Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:17
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/20; B01J8/00; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B01J2208/00; B01J2208/02; B01J2208/023; B01J2208/024; B01J2208/025
Claims Analysis
Total Claims: 0
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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) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |