US PATENT SUBCLASS 52 / 181
.~ Exposed embedded element or inserted filler

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

177  DF  SPECIFIED WEAR OR FRICTION-TYPE TRAFFIC-CARRYING SURFACE {3}
181.~ Exposed embedded element or inserted filler

DEFINITION

Classification: 52/181

(under subclass 177) Structure including (1) an element which is embedded in a settable material of (2) elements which are inserted into openings formed in a prefabricated sheetlike holder for the elements and which in the final product are exposed at the traffic receiving surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318, for cast in situ barrier, e.g., floor, having revealed intersecting strips and see notes.