Metal founding – Means to shape metallic material – United particle type shaping surface
Reexamination Certificate
2007-04-24
2007-04-24
Kerns, Kevin (Department: 1725)
Metal founding
Means to shape metallic material
United particle type shaping surface
C164S370000
Reexamination Certificate
active
10973762
ABSTRACT:
A substrate is coated by applying a first layer atop the substrate and comprising, in major weight part, a non-refractory first metal. A second layer is applied atop the first layer and comprises, in major weight part, a carbide and/or nitride of a second metal. A third layer is applied atop the second layer and comprises, in major weight part, a ceramic. The substrate may be a refractory metal-based investment casting core.
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European Search Report for EP Patent Application No. 05255510.9.
Parkos, Jr. Joseph J.
Persky Joshua E.
Bachman & LaPointe P.C.
Kerns Kevin
Lin I.-H.
United Technologies Corporation
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