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US3672849A Expired / Lapsed US ⏱️ 0.0 years remaining

Cermet-type alloy coating on metal base

Assignee: Wall Colmonoy Corp
•
Filing: 1969-07-07
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Granted: 1972-06-27
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Expires: 1989-07-07
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Abstract

Abstract AN IMPROVED CERMET-TYPE ALLOY AND METHOD OF MAKING SAME WHICH IS PARTICULARLY ADAPTABLE FOR FORMING PROTECTIVE SURFACE COATINGS ON HEAT-RESISTANT ALLOYS. A PARTICULATED MIXTURE IS FORMED CONTAINING TITANIUM AND/OR ZIRCONIUM REACTIVE METAL CONSTITUENTS THAT UNDERGO AN EXOTHERMIC REACTION UPON FUSION AT AN ELEVATED TEMPERATURE IN A SUBSTANTIALLY INERT ATMOSPHERE WITH SILICON AND/OR BORON PRESENT IN THE MIXTURE FORMING THE CORRESPONDING SILICIDES OR BORIDES OF THE REACTED METALS IN SITU WHICH ARE SUBSEQUENTLY PRECIPITATED AS A UNIFORMLY DISPERSED DISCONTINUOUS PHASE IN A CONTINUOUS PHASE OF A NICKEL AND/OR COBALT BASE MATRIX. THE INVENTION ALSO ENCOMPASSES NOVEL POWDER COMPOSITIONS FOR EXOTHERMICALLY FORMING THE CERMET-TYPE ALLOYS AND COATINGS. D R A W I N G

Inventors

  • 👤 Nikolajs Bredzs
  • 👤 Forbes M Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:38
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/327; C; C23; C23C; C23C26/00; C23C26/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12139; Y10T428/12389; Y10T428/12396; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12944; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24917

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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