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US3433744A
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Reaction product of phosphosulfurized hydrocarbon and alkylene polycarboxylic acid or acid derivatives and lubricating oil containing the same
Assignee: Lubrizol Corp
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Filing: 1966-11-03
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Granted: 1969-03-18
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Expires: 1986-11-03
Abstract
No abstract record available.
Inventors
- 👤 William M Le Suer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:18
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M133/00; C10M133/52; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2992184A
Cited
US3235497A
Cited
US3185646A
Cited
US3294684A
Cited
US3342735A
Cited
US3359203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |