Tread of a staircase Patent Grant Tseng September 17, 2 [Taiwan Lounge Chair Industry Co., Ltd.]

Tread of a staircase

Tseng September 17, 2

Patent Grant D463039

U.S. patent number D463,039 [Application Number D/150,650] was granted by the patent office on 2002-09-17 for tread of a staircase. This patent grant is currently assigned to Taiwan Lounge Chair Industry Co., Ltd.. Invention is credited to Chen-Nung Tseng.

United States Patent	D463,039
Tseng	September 17, 2002

Tread of a staircase

Claims

The ornamental design for a tread of a staircase, as shown and described.

Inventors:	Tseng; Chen-Nung (Chia Yi Hsien, TW)
Assignee:	Taiwan Lounge Chair Industry Co., Ltd. (Chai Yi Hsien, TW)
Appl. No.:	D/150,650
Filed:	November 23, 2001

Current U.S. Class:	D25/69
Current International Class:	2504
Field of Search:	;D25/69 ;52/190,177,179,188

References Cited [Referenced By]

U.S. Patent Documents


D225981	January 1973	Brown

Primary Examiner: Clark; Doris
Attorney, Agent or Firm: Kamrath; Alan Rider, Bennett, Egan & Arundel, LLP

Description

FIG. 1 is a perspective view of a tread of a staircase showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof.

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

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