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US2476037A Expired / Lapsed US ⏱️ 0.0 years remaining

Wax-substituted diaryl dithiophosphoric acids and salts thereof

Assignee: ExxonMobil Oil Corp
•
Filing: 1945-04-05
•
Granted: 1949-07-12
•
Expires: 1965-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 John J Giammaria

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 12:30
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1893018A Cited
US1939951A Cited
US1867631A Cited
US2188943A Cited
US2177923A Cited
US2205337A Cited
US2252985A Cited
US2252984A Cited
US2206284A Cited
US2246059A Cited
US2365938A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-07-11 1953-01-10 1953-07-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-07-11 1957-01-10 1957-07-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-07-11 1961-01-10 1961-07-12 $7700.00 Window Closed / Lapsed

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