US3591501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant containing a hydroxy-substituted phosphine oxide
Assignee: Mobil Oil AS
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Filing: 1969-01-24
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Granted: 1971-07-06
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Expires: 1989-01-24
Abstract
Abstract THE INVENTION PROVIDES LUBRICANT COMPOSITIONS COMPRISING AN ORGANIC FLUID OF LUBRICATIN VISOSITY AND A HYDROXY-SUBSTITUTED ORGANOPHOSPHINE OXIDE. THE COMPOSITION HAS IMPROVED LOAD CARRYING PROPERTIES.
Inventors
- 👤 William F Oiszewski
- 👤 Herbert Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:18
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2223/00; C10M2223/06; C10M2223/061; C10M2229/00; C10M2229/04; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |