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US2080422A Expired / Lapsed US ⏱️ 0.0 years remaining

Passive hydraulic medium

Assignee: Association of American Soap and Glycerine Producers Inc
•
Filing: 1934-06-30
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Granted: 1937-05-18
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Expires: 1954-06-30
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Abstract

No abstract record available.

Inventors

  • 👤 Hoover Kenneth Harry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 02:39
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/16; C10M2215/00; C10M2215/10; C10M2215/102; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01

Claims Analysis

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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) 1940-05-17 1940-11-16 1941-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-05-17 1944-11-16 1945-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-05-17 1948-11-16 1949-05-18 $7700.00 Window Closed / Lapsed

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