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US2265799A Expired / Lapsed US ⏱️ 0.0 years remaining

Soluble oil

Assignee: Standard Oil Development Co
•
Filing: 1940-03-16
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Granted: 1941-12-09
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Expires: 1960-03-16
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Abstract

No abstract record available.

Inventors

  • 👤 Ejnar W Carlson
  • 👤 Elmer B Cyphers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:31
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/062; C10M2201/063; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/16; C10M2207/20; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-12-08 1945-06-09 1945-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-12-08 1949-06-09 1949-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-12-08 1953-06-09 1953-12-09 $7700.00 Window Closed / Lapsed

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