US2365751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for hydrogenating hydrocarbon oils
Assignee: Phillips Petroleum Co
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Filing: 1941-06-07
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Granted: 1944-12-26
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Expires: 1961-06-07
Abstract
No abstract record available.
Inventors
- 👤 Harry E Drennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:29
CPC Classifications
C; C10; C10G; C10G45/00; B; B01; B01J; B01J8/00; B01J8/02; C10G45/44; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/0053; B01J2208/00539; B01J2208/00548; B01J2208/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-12-26 | 1948-06-26 | 1948-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-12-26 | 1952-06-26 | 1952-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-12-26 | 1956-06-26 | 1956-12-26 | $7700.00 | Window Closed / Lapsed |