Patent US2360446A successfully refreshed from Google Patents.
US2360446A
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Lubricating oils
Assignee: Phillips Petroleum Co
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Filing: 1941-08-25
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Granted: 1944-10-17
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Expires: 1961-08-25
Abstract
No abstract record available.
Inventors
- 👤 James A Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:49
CPC Classifications
C; C10; C10M; C10M111/00; C10M111/04; C10M101/00; C10M101/02; C10M107/00; C10M107/02; C10M107/04; C10M107/06; C10M2203/00; C10M2203/10; C10M2203/1006; C10M2203/102; C10M2203/1025; C10M2203/104; C10M2203/1045; C10M2203/106; C10M2203/1065; C10M2203/108; C10M2203/1085; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/0225; C10M2205/024; C10M2205/0245; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2219/00; C10N; C10N2010/00; C10N2010/08
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) | 1947-10-17 | 1948-04-17 | 1948-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-17 | 1952-04-17 | 1952-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-17 | 1956-04-17 | 1956-10-17 | $7700.00 | Window Closed / Lapsed |