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US2775531A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of coating a metal surface

Assignee: Ohio State University Research Foundation
•
Filing: 1949-05-10
•
Granted: 1956-12-25
•
Expires: 1969-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Earle T Montgomery
  • 👤 Arnold P Welch
  • 👤 Joseph L Bitonte

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:46
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12861; Y10T428/12937; Y10T428/12951; Y10T428/12972; Y10T428/25; Y10T428/256

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 94 words
A PROCESS OF PLATING A METAL SURFACE WHICH COMPRISES FORMING SMALL PARTICLES OF METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, IRON, NICKEL AND COBALT, FORMING SMALL PARTICLES OF A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA AND ZIRCONIA, MIXING THE METAL AND THE METAL OXIDE PARTICLES TOGETHER, SINTERING SAID MIXTURE, REDUCINGTHE SINTERED MIXTURE TO PARTICLES OF POWDER OF EXTREMELY SMALL SIZE AND FLAME-SPRAYING THE MIXED SINTERED PARTICLES ON THE SURFACE TO BE COATED AND THEREBY BEATING SAID PARTICLES OF POWDER TO A SINTERING TEMPERATURE OF AT LEAST APPROXIMATELY 2100* F.
Claim 2
Dependent Claim 94 words
A PROCESS OF PLATING A METAL SURFACE WHICH COMPRISES FORMING SMALL PARTICLES OF METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, IRON, NICKEL AND COBALT, FORMING SMALL PARTICLES OF A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, MAGNESIA AND ZIRCONIA, MIXING THE METAL AND THE METAL OXIDE PARTICLES TOGETHER, SINTERING SAID MIXTURE, REDUCINGTHE SINTERED MIXTURE TO PARTICLES OF POWDER OF EXTREMELY SMALL SIZE AND FLAME-SPRAYING THE MIXED SINTERED PARTICLES ON THE SURFACE TO BE COATED AND THEREBY BEATING SAID PARTICLES OF POWDER TO A SINTERING TEMPERATURE OF AT LEAST APPROXIMATELY 2100* F.

References Cited (Backward Citations)

US1091057A Cited
US2175345A Cited
US2161597A Cited
GB543773A Cited
US2365083A Cited
GB597394A Cited
US2404598A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-25 1960-06-25 1960-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-25 1964-06-25 1964-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-25 1968-06-25 1968-12-25 $7700.00 Window Closed / Lapsed

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