US PATENT SUBCLASS 52 / 179-- .~ Tread-nosing; e.g., shaped stair pad

US PATENT SUBCLASS 52 / 179
.~ Tread-nosing; e.g., shaped stair pad

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}
179		.~ Tread-nosing; e.g., shaped stair pad

DEFINITION

Classification: 52/179

(under subclass 177) Structure having means at the exposed edge of a stair tread or floor mat which protects the edge from wear or increases friction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182+, for stepped construction including uniform surfacing, e.g., carpeting covering plural successive treads and risers.

254+, for an intersection of cast stone-like material having a revealed embedded protector.

716.1+, for a panel of more general utility having a separately attached edging.