← Back to Patent Explorer
US2346357A Expired / Lapsed US ⏱️ 0.0 years remaining

High temperature lubricant

Assignee: Standard Oil Co
•
Filing: 1941-12-24
•
Granted: 1944-04-11
•
Expires: 1961-12-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert E Burk
  • 👤 Everett C Hughes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:50
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/18; C10M2207/24; C10M2211/00; C10M2211/04; C10M2211/044; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/067; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/06; C10M2219/062; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2060/00; C10N2060/04

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) 1947-04-11 1947-10-11 1948-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-04-11 1951-10-11 1952-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-04-11 1955-10-11 1956-04-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag