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US2225367A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricant

Assignee: Union Oil Company of California
•
Filing: 1940-04-29
•
Granted: 1940-12-17
•
Expires: 1960-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Ulric B Bray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:47
CPC Classifications
C; C10; C10M; C10M131/00; C10M131/08; C10M131/12; C10M2203/00; C10M2207/00; C10M2207/02; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/126; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/08; C10M2223/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16; C10N2060/00; C10N2060/04; C10N2070/00; C10N2070/02

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) 1943-12-17 1944-06-17 1944-12-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-12-17 1948-06-17 1948-12-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-12-17 1952-06-17 1952-12-17 $7700.00 Window Closed / Lapsed

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