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US2102825A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic fluids

Assignee: EIDP Inc
•
Filing: 1935-03-06
•
Granted: 1937-12-21
•
Expires: 1955-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 John C Woodhouse
  • 👤 Arthur G Weber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 21:43
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/085; C10M2201/086; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/04; C10M2207/044; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/20; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/109; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/20; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1940-12-20 1941-06-21 1941-12-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-12-20 1945-06-21 1945-12-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-12-20 1949-06-21 1949-12-21 $7700.00 Window Closed / Lapsed

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