← Back to Patent Explorer
US2295192A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating composition and modified addition agents for the same

Assignee: Standard Oil Co
•
Filing: 1940-10-26
•
Granted: 1942-09-08
•
Expires: 1960-10-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Maurice H Arveson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:32
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/10

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1945-09-07 1946-03-09 1946-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-09-07 1950-03-09 1950-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-09-07 1954-03-09 1954-09-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag