Substrate such as paving brick with non-powered...

Stock material or miscellaneous articles – Nonparticulate element embedded or inlaid in substrate and...

Reexamination Certificate

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C428S141000, C428S143000, C428S323000, C428S328000, C428S330000, C428S690000, C052S102000, C052S103000, C250S462100, C250S483100

Reexamination Certificate

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07993722

ABSTRACT:
A non-powered photoluminescent paving brick includes a substrate defining one of a cavity and a channel that extends from one end to an opposite end of the substrate. A photoluminescent portion includes a light transmissive resin including a suspension of photoluminescent particles. The photoluminescent portion is arranged in the one of the cavity and the channel and wherein the light transmissive resin has an exposed outer surface that directly receives light.

REFERENCES:
patent: 4998391 (1991-03-01), Connew
patent: 5315491 (1994-05-01), Spencer et al.
patent: 5904017 (1999-05-01), Glatz et al.
patent: 6375864 (2002-04-01), Phillips et al.
patent: 6665986 (2003-12-01), Kaplan
patent: 6696126 (2004-02-01), Fischer et al.
patent: 6828043 (2004-12-01), Sturley
patent: 2004/0137266 (2004-07-01), Saito et al.
patent: 2005/0102871 (2005-05-01), Merle et al.
patent: 2005/0160637 (2005-07-01), Hesse
patent: 2006/0291197 (2006-12-01), Patti
patent: 2007/0209747 (2007-09-01), Merle et al.
patent: WO 01/42386 (2001-06-01), None

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