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US2361787A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of lubricating oils

Assignee: Standard Oil Co
•
Filing: 1940-09-24
•
Granted: 1944-10-31
•
Expires: 1960-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 John M Musselman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:11
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/02; C10G17/04; C10G17/06

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) 1947-10-31 1948-05-01 1948-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-10-31 1952-05-01 1952-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-10-31 1956-05-01 1956-10-31 $7700.00 Window Closed / Lapsed

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