Teaching tool for chemical elements

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Description

FIG. 1 is a perspective view of a teaching tool for chemical elements;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a teaching tool for chemical elements, as shown and described.

Referenced Cited
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Patent History
Patent number: D653290
Type: Grant
Filed: Mar 25, 2011
Date of Patent: Jan 31, 2012
Inventors: Chong-Soo Han (Gwangju), Sunah Kim (Gwangju)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Mark Cavanna
Attorney: Cantor Colburn LLP
Application Number: 29/388,215