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US2453708A Expired / Lapsed US ⏱️ 0.0 years remaining

Grinding oil composition

Assignee: Standard Oil Co
•
Filing: 1946-10-15
•
Granted: 1948-11-16
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Expires: 1966-10-15
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Abstract

No abstract record available.

Inventors

  • 👤 Everett C Hughes
  • 👤 Veatch Franklin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:00
CPC Classifications
C; C10; C10M; C10M101/00; C10M101/02; C10M2203/00; C10M2203/10; C10M2203/1006; C10M2203/102; C10M2203/1025; C10M2203/104; C10M2203/1045; C10M2203/106; C10M2203/1065; C10M2203/108; C10M2203/1085

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2077762A Cited
US2183783A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-11-16 1952-05-17 1952-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-11-16 1956-05-17 1956-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-11-16 1960-05-17 1960-11-16 $7700.00 Window Closed / Lapsed

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