Etching a substrate: processes – Forming or treating an ornamented article – Wood surface treated or wood grain produced
Reexamination Certificate
2006-01-09
2008-03-04
Culbert, Roberts (Department: 1763)
Etching a substrate: processes
Forming or treating an ornamented article
Wood surface treated or wood grain produced
Reexamination Certificate
active
07338612
ABSTRACT:
The present invention is directed to a door skin having an exterior surface with an woodgrain pattern formed therein, and an etched plate for use as an embossing plate or with a molded die sets for forming the woodgrain pattern in the door skin. The exterior surface has outer portions lying on a first plane, spaced grooves recessed from the plane of the outer portions, and halftone portions. The halftone portions have spaced protrusions defined by channels, wherein the channels are recessed from the plane of the outer portions.
REFERENCES:
patent: 4294650 (1981-10-01), Werthmann
patent: 5719239 (1998-02-01), Mirous et al.
patent: 6479128 (2002-11-01), Schafernak et al.
Philip Quanjer, et al., “Society of Dutch Enamellers”, Special Techniques for the Enamelist, Dec. 27, 2002.
Gilly Hatch, “Print-Making Techniques Used by the Artist” Dec. 17, 2002.
Luetgert Karine
Melonio Christ Henry
Berenato White & Stavish
Culbert Roberts
Masonite Corporation
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