Patent US2805969A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2805969A Expired / Lapsed US ⏱️ 0.0 years remaining

Molybdenum accelerated solution and method for forming oxalate coatings on metallic surfaces

Assignee: Parker Rust Proof Co
•
Filing: 1952-12-31
•
Granted: 1957-09-10
•
Expires: 1972-12-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edwin W Goodspeed
  • 👤 Robert C Gilbson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:50
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 54 words
A COMPOSITION OF MATTER FOR PRODUCING AN OXALATE COATING ON A METALLIC SURFACE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF MOLYBDENUM IN AN AMOUNT BETWEEN ABOUT .025% AND 9%, OXALIC ACID IN AN AMOUNT BETWEEN ABOUT 4% TO SATURATION AND THE CHLORIDE ANION IN AN AMOUNT OF ABOUT 3.6% TO ABOUT 12.1%.
Claim 2
Dependent Claim 54 words
A COMPOSITION OF MATTER FOR PRODUCING AN OXALATE COATING ON A METALLIC SURFACE WHICH COMPRISES AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF MOLYBDENUM IN AN AMOUNT BETWEEN ABOUT .025% AND 9%, OXALIC ACID IN AN AMOUNT BETWEEN ABOUT 4% TO SATURATION AND THE CHLORIDE ANION IN AN AMOUNT OF ABOUT 3.6% TO ABOUT 12.1%.

References Cited (Backward Citations)

US1798218A Cited
US1723067A Cited
US2273234A Cited
US2502441A Cited
US2557509A Cited
US2577887A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-09 1961-03-11 1961-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-09 1965-03-11 1965-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-09 1969-03-11 1969-09-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag