Patent US3190833A successfully refreshed from Google Patents.
US3190833A
Expired / Lapsed
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Oxidation-resistant lubricating composition
Assignee: Lubrizol Corp
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Filing: 1961-04-14
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Granted: 1965-06-22
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
- 👤 Rhodes Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/10; C10M2215/12; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/024; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF LUBRICATING OIL AND FROM ABOUT 0.01 TO ABOUT 3.5% BY WEIGHT OF AN OXIDATION-INHIBITING AGENT PREPARED BY A PROCESS COMPRISING TREATING AN OIL-SOLUBLE GROUP II METAL SALT OF A PHOSPHOROTHIOIC ACID HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
43 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF LUBRICATING OIL AND FROM ABOUT 0.01 TO ABOUT 3.5% BY WEIGHT OF AN OXIDATION-INHIBITING AGENT PREPARED BY A PROCESS COMPRISING TREATING AN OIL-SOLUBLE GROUP II METAL SALT OF A PHOSPHOROTHIOIC ACID HAVING THE STRUCTURAL FORMULA
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |