Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Composite or multiple layer
Reexamination Certificate
2003-07-23
2008-05-13
Vargot, Mathieu D. (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Composite or multiple layer
C264S002500, C425S808000
Reexamination Certificate
active
07371339
ABSTRACT:
A retroreflective structure includes a retroreflective sheeting having an array of transparent prisms formed into pairs of prisms. Each prism includes a base aperture and three intersecting lateral faces meeting at an apex. Each of the lateral faces includes a base edge which forms a portion of the perimeter of the base aperture. The base edge of each lateral face intersects the base edge of a contiguous lateral face to form a base point, the first face of at least one prism in the array including a first face first planar surface and a first face second planar surface. The first face first planar surface and the first face second planar surface are contiguous along an edge having a first and second end points, wherein the apex, the first end point, and a first base point are coplanar and form a continuous edge from the first base point to the apex.
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Gauer Gary J.
Jacob David A.
Lu Xiao-Jing
Minier Erich
Hamilton Brook Smith & Reynolds P.C.
Reflexite Corporation
Vargot Mathieu D.
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