Expandable strip of teaching-aid

Description

FIG. 1 is a perspective view of an expandable strip of teaching-aid showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a reference showing a using position of the expandable strip of teaching-aid, and it is expandable by overlapping two elements on top of the other.

Claims

CLAIM The ornamental design for a "an expandable strip of teaching-aid," as shown and described.

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Inventors:	Lin; Wen-Yuan (Taipei County, TW)
Assignee:	Youth Toy Enterprise Co., Ltd. (Taipei County, TW)
Appl. No.:	D/320,089
Filed:	June 19, 2008

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Current U.S. Class:	D19/62
Current International Class:	1902
Field of Search:	;D19/35-37,54,56,59,62,64 ;D8/330,349,353,355,499 ;D10/62,64,73-74 ;D21/791 ;434/81,85,87-89,187 ;33/1G,1M,1N,18.3,32.1

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References Cited [Referenced By]

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U.S. Patent Documents

D246441	November 1977	Bergendorff
D278068	March 1985	Sager
D293086	December 1987	LeMarie
D314712	February 1991	Kunz
D339376	September 1993	Abe
D376618	December 1996	Hix
D406538	March 1999	Cornell et al.
D426851	June 2000	Carroll
D457052	May 2002	Snyder
D480109	September 2003	Jeffirs et al.
D481071	October 2003	Jeffirs et al.
D486183	February 2004	DeMaison
D558849	January 2008	Taira et al.

Primary Examiner: Delehanty; Robert A.
Assistant Examiner: Cavanna; Mark
Attorney, Agent or Firm: WPAT, P.C. King; Anthony