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US3259573A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating greases containing finely divided alkaline earth metal sulfates

Assignee: Texaco Inc
•
Filing: 1963-05-13
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Granted: 1966-07-05
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Expires: 1983-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Norman R Odell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:45
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2205/00; C10M2205/17; C10M2205/173; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/22; C10M2215/223; C10M2215/224; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2221/00; C10M2221/04; C10M2221/043; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 42 words
A LUBRICATING GREASE COMPRISING A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY BY A METAL SOAP AND CONTAINING ABOUT 1-12 PERCENT BY WEIGHT, SUFFICIENT TO IMPART SUBSTANTIALLY IMPROVED EXTREME PRESSURE PROPERTIES TO THE SAID GREASE, OF CALCIUM SULFATE IN FINELY DIVIDED FORM.
Claim 2
Dependent Claim 42 words
A LUBRICATING GREASE COMPRISING A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY BY A METAL SOAP AND CONTAINING ABOUT 1-12 PERCENT BY WEIGHT, SUFFICIENT TO IMPART SUBSTANTIALLY IMPROVED EXTREME PRESSURE PROPERTIES TO THE SAID GREASE, OF CALCIUM SULFATE IN FINELY DIVIDED FORM.

References Cited (Backward Citations)

US3111381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-04 1970-01-03 1970-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-04 1974-01-03 1974-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-04 1978-01-03 1978-07-05 $7700.00 Window Closed / Lapsed

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