← Back to Patent Explorer
US2208162A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating composition

Assignee: Lubrizol Development Corp
•
Filing: 1940-02-12
•
Granted: 1940-07-16
•
Expires: 1960-02-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Carl F Prutton
  • 👤 Albert K Smith
  • 👤 Harry E Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:21
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/08; C10M131/00; C10M135/00; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/08; C10M2215/082; C10M2215/14; C10M2215/16; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/047; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/10; C10N2010/14; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50

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) 1943-07-16 1944-01-15 1944-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-07-16 1948-01-15 1948-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-07-16 1952-01-15 1952-07-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag