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US2796401A Expired / Lapsed US ⏱️ 0.0 years remaining

Complex formal lubricating composition

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-11-29
•
Granted: 1957-06-18
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Expires: 1972-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred H Matuszak
  • 👤 William E Mcturk
  • 👤 Delmer L Cottle
  • 👤 David W Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:45
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/10; C10M2201/105; C10M2201/14; C10M2203/00; C10M2207/00; C10M2207/04; C10M2207/044; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/108; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/16; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 43 words
AS A SYNTHETIC LUBRICANT, A COMPLEX HAVING AN ASTM POUR POINT BELOW ABOUT 35*., A FLESH POINT ABOVE ABOUT 300* F., AND A KINEMATIC VISCOSITY AT 210* F. WITHIN THE RANGE OF FROM 2 TO 60 CENTISTOKES, SAID FORMAL CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim 43 words
AS A SYNTHETIC LUBRICANT, A COMPLEX HAVING AN ASTM POUR POINT BELOW ABOUT 35*., A FLESH POINT ABOVE ABOUT 300* F., AND A KINEMATIC VISCOSITY AT 210* F. WITHIN THE RANGE OF FROM 2 TO 60 CENTISTOKES, SAID FORMAL CORRESPONDING TO THE FORMULA
Claim 3
Dependent Claim 10 words
AS A SYNTHETIC LUBRICANT, A COMPLEX FORMAL OF THE FORMULA
Claim 4
Dependent Claim 10 words
AS A SYNTHETIC LUBRICANT, A COMPLEX FORMAL OF THE FORMULA

References Cited (Backward Citations)

US2350350A Cited
US2397602A Cited
US2379703A Cited
US2436347A Cited
US2473994A Cited
US2594341A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-17 1960-12-17 1961-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-17 1964-12-17 1965-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-17 1968-12-17 1969-06-18 $7700.00 Window Closed / Lapsed

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