US2495651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-temperature ball-bearing grease
Assignee: ExxonMobil Oil Corp
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Filing: 1947-03-20
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Granted: 1950-01-24
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Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Richard A Butcosk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:17
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/20; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IMPROVED LUBRICATING GREASE ADOPTED FOR THE LUBRICATION OF BALL BEARINGS, ROLLER BEARINGS, AND THE LIKE AT HIGH TEMPERATURES COMPRISING A MAJOR PORTION OF A MINERAL LUBRICATING OIL AND FROM ABOUT 15 TO ABOUT 30 PERCENT OF AN ALKALI METAL SOAP OF A FATTY ACID HAVING AN IODINE NUMBER IN THE RANGE OF FROM ABOUT 60 TO ABOUT 170, THE GREASE HAVING BEEN COMPOUNDED BY INCORPORATING THE ACID-CONTAINING INGREDIENT IN AT LEAST A PORTION OF THE OIL, SAPONIFYING, AND THEN RAISING THE TEMPERATURE OF THE MIX SLOWLY TO A TEMPERATURE OF FROM ABOUT 500*F. TO ABOUT 540*F. FOLLOWED BY HOLDING THE TEMPERATURE AT THAT LEVEL FOR A PERIOD OF AT LEAST ABOUT 20 MINUTES AND SUFFICIENT TO BRING ABOUT SUBSTANTIAL POLYMERIZATION OF THE FATTY ACID COMPONENT.
Claim 2
Dependent Claim
126 words
AN IMPROVED LUBRICATING GREASE ADOPTED FOR THE LUBRICATION OF BALL BEARINGS, ROLLER BEARINGS, AND THE LIKE AT HIGH TEMPERATURES COMPRISING A MAJOR PORTION OF A MINERAL LUBRICATING OIL AND FROM ABOUT 15 TO ABOUT 30 PERCENT OF AN ALKALI METAL SOAP OF A FATTY ACID HAVING AN IODINE NUMBER IN THE RANGE OF FROM ABOUT 60 TO ABOUT 170, THE GREASE HAVING BEEN COMPOUNDED BY INCORPORATING THE ACID-CONTAINING INGREDIENT IN AT LEAST A PORTION OF THE OIL, SAPONIFYING, AND THEN RAISING THE TEMPERATURE OF THE MIX SLOWLY TO A TEMPERATURE OF FROM ABOUT 500*F. TO ABOUT 540*F. FOLLOWED BY HOLDING THE TEMPERATURE AT THAT LEVEL FOR A PERIOD OF AT LEAST ABOUT 20 MINUTES AND SUFFICIENT TO BRING ABOUT SUBSTANTIAL POLYMERIZATION OF THE FATTY ACID COMPONENT.
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) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |