Metal founding – Means to shape metallic material – United particle type shaping surface
Reexamination Certificate
2011-06-28
2011-06-28
Lin, Kuang (Department: 1735)
Metal founding
Means to shape metallic material
United particle type shaping surface
C164S035000, C164S361000, C164S519000
Reexamination Certificate
active
07967055
ABSTRACT:
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.
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Japanese Office Action for JP2005311238, dated Dec. 2, 2008.
Lomasney Gary M.
Parkos, Jr. Joseph J.
Persky Joshua E.
Bachman & LaPointe P.C.
Lin Kuang
United Technologies Corporation
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