US3211647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypoid gear lubricants for slip-lock differentials
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-04-19
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Granted: 1965-10-12
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Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 O'halloran Rosemary
- 👤 Louise K Armington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:47
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; C; C10; C10M; C10M133/00; C10M133/02; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/14; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
60 words
A LUBRICATING COMPOSITION SUITABLE FOR USE AS A GEAR LUBRICANT COMPRISING A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL, 0.2 TO 2.0 WT. PERCENT OF AN OIL SOLUBLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF C12 TO C24 ALKYL AMINES AND THE HIGHER FATTY ACID SALTS THEREOF, AND 0.10 TO 1.5 WT. PERCENT OF A C12 TO C24 ALKYL AZOMETHINE.
Claim 2
Dependent Claim
60 words
A LUBRICATING COMPOSITION SUITABLE FOR USE AS A GEAR LUBRICANT COMPRISING A MAJOR PROPORTION OF A HYDROCARBON LUBRICATING OIL, 0.2 TO 2.0 WT. PERCENT OF AN OIL SOLUBLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF C12 TO C24 ALKYL AMINES AND THE HIGHER FATTY ACID SALTS THEREOF, AND 0.10 TO 1.5 WT. PERCENT OF A C12 TO C24 ALKYL AZOMETHINE.
Claim 3
Dependent Claim
40 words
A LUBRICATING COMPOSITION ACCORDING TO CLAIM 1 WHICH ALSO CONTAINS 1 TO 20 WT. PERCENT OF A SULFUR-AND CHLORINE-CONTAINING PARAFFINIC HYDROCAARBON HAVING IN THE RANGE OF 3 TO 10 WT. PERCENT SULFUR AND ABOUT 10 TO 40 WT. PERCENT CHLORINE.
Claim 4
Dependent Claim
29 words
A LUBRICATING COMPOSITION ACCORDING TO CLAIM 2 WHICH ALSO CONTAINS 1 TO 20 WT. PERCENT OF A ZINC DIALKYL DITHIOPHOSPHATE HAVING 3 TO 20 CARBON ATOMS PER ALKYL GROUP.
References Cited (Backward Citations)
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US2364283A
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US2369632A
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US2611766A
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US2758086A
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US2832741A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |