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US2563609A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating oil additives

Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:04
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/28; C10M2207/32; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/102; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/10; C10M2215/102; C10M2215/14; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 14 words
A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.1% TO 10% OF PENTAERYTHRITOL MONO-OLEATE MONO-ALLYLCARBONATE.
Claim 2
Dependent Claim 14 words
A MINERAL LUBRICATING OIL CONTAINING DISSOLVED THEREIN 0.1% TO 10% OF PENTAERYTHRITOL MONO-OLEATE MONO-ALLYLCARBONATE.

References Cited (Backward Citations)

US2153137A Cited
US2371333A Cited
US2414400A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-06 1955-02-05 1955-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-06 1959-02-05 1959-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-06 1963-02-05 1963-08-07 $7700.00 Window Closed / Lapsed

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