← Back to Patent Explorer
US2560202A Expired / Lapsed US ⏱️ 0.0 years remaining

Rust inhibiting composition

Assignee: Standard Oil Development Co
•
Filing: 1948-07-24
•
Granted: 1951-07-10
•
Expires: 1968-07-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John C Zimmer
  • 👤 Gordon W Duncan
  • 👤 Charles E Paxton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:18
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/026; C10M2207/027; C10M2207/04; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/10; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/08; C10N2040/20; C10N2040/22; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 56 words
A RUST INHIBITING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING GRADE CONTAINING 0.5 TO 3%, BASED ON THE TOTAL COMPOSITION, OF A MONO-OLEIC ESTER OF PENTAERYTHRITOL, 0.5 TO 3, OF AN OIL SOLUBLE PETROLEUM SULFONATE SELECTED FROM THE CLASS WHICH CONSISTS OF SODIUM AND CALCIUM SULFONATES, AND 0 TO 1% OF DEGRAS.
Claim 2
Dependent Claim 56 words
A RUST INHIBITING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL BASE OIL OF LUBRICATING GRADE CONTAINING 0.5 TO 3%, BASED ON THE TOTAL COMPOSITION, OF A MONO-OLEIC ESTER OF PENTAERYTHRITOL, 0.5 TO 3, OF AN OIL SOLUBLE PETROLEUM SULFONATE SELECTED FROM THE CLASS WHICH CONSISTS OF SODIUM AND CALCIUM SULFONATES, AND 0 TO 1% OF DEGRAS.

References Cited (Backward Citations)

US2182992A Cited
US2371333A Cited
US2410652A Cited
US2398193A Cited
US2430058A Cited
US2417281A Cited
US2434490A Cited
US2482517A Cited
US2479424A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-09 1955-01-08 1955-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-09 1959-01-08 1959-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-09 1963-01-08 1963-07-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag