US3211650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease and method of making the same
Assignee: Cato Oil and Grease Co Inc
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Filing: 1962-03-15
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Granted: 1965-10-12
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Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Leon M Oswalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:39
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/05; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/102; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF MAKING AN ADHESIVE LUBRICATING GREASE, COMPRISING SAPONIFYING HYDROXY STEARIC ACID WITH LIME IN A NAPHTHENIC COOKING OIL WHICH AT 100*F. HAS A VISCOSITY OF ABOUT 90-120 SUS AND A VISCOSITY INDEX FROM BELOW ZERO TO ABOUT 50, AND THEREAFTER ADMIXING WITH THE RESULTING SOAP AND OIL ABOUT 8-12% BY WEIGHT OF LINEAR POLYISOBUTYLENE HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 17,500-18,500.
Claim 2
Independent Claim
64 words
A METHOD OF MAKING AN ADHESIVE LUBRICATING GREASE, COMPRISING SAPONIFYING HYDROXY STEARIC ACID WITH LIME IN A NAPHTHENIC COOKING OIL WHICH AT 100*F. HAS A VISCOSITY OF ABOUT 90-120 SUS AND A VISCOSITY INDEX FROM BELOW ZERO TO ABOUT 50, AND THEREAFTER ADMIXING WITH THE RESULTING SOAP AND OIL ABOUT 8-12% BY WEIGHT OF LINEAR POLYISOBUTYLENE HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 17,500-18,500.
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) | 1968-10-11 | 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 |