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US2978413A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating oils thickened to a grease consistency with cuprous n, n'-diarylamidine compounds

Assignee: Texaco Inc
•
Filing: 1958-12-19
•
Granted: 1961-04-04
•
Expires: 1978-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Norman R Odell
  • 👤 Joseph F Lyons

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:33
CPC Classifications
C; C10; C10M; C10M5/00; C10M2209/00; C10M2209/10; C10M2209/11; C10M2209/111; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/066; C10M2215/14; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2227/00; C10M2227/09; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 26 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A CUPROUS DERIVATIVE OF AN AMIDINE COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim 26 words
A LUBRICATING GREASE CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A CUPROUS DERIVATIVE OF AN AMIDINE COMPOUND REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

US2597018A Cited
US2679480A Cited
US2848417A Cited
US2880177A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-04-03 1964-10-03 1965-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-04-03 1968-10-03 1969-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-04-03 1972-10-03 1973-04-04 $7700.00 Window Closed / Lapsed

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