Patent US2795552A successfully refreshed from Google Patents.
US2795552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: California Research LLC
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Filing: 1954-06-29
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Granted: 1957-06-11
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Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Andrew D Abbott
- 👤 John R Thomas
- 👤 Oliver L Harle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:40
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/18; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/025; C10M2207/027; C10M2207/04; C10M2207/09; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/124; C10M2207/129; C10M2207/14; C10M2207/142; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2227/06; C10M2227/066; C10M2227/09; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/135; C10N2040/25; C10N2040/252; C10N2040/253; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A LUBRICANT COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND A MOLYBDIC ACID COMPLEX OF A MEMBER OF THE GROUP CONSISTING OF A-AND B-ALKANE DIOLS OF 2 TO 18 CARBON ATOMS AND ALKYL VINCINAL DIHYDROXY BENZENES CONTAINING FROM 2 TO 18 CARBON ATOMS IN THE ALKYL GROUP, SAID MOLYBDIC ACID COMPLEX BEING IN AN AMOUNT SUFFICIENT TO INHIBIT CORROSION.
Claim 2
Dependent Claim
59 words
A LUBRICANT COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND A MOLYBDIC ACID COMPLEX OF A MEMBER OF THE GROUP CONSISTING OF A-AND B-ALKANE DIOLS OF 2 TO 18 CARBON ATOMS AND ALKYL VINCINAL DIHYDROXY BENZENES CONTAINING FROM 2 TO 18 CARBON ATOMS IN THE ALKYL GROUP, SAID MOLYBDIC ACID COMPLEX BEING IN AN AMOUNT SUFFICIENT TO INHIBIT CORROSION.
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) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |