Blackboard eraser and dust collecter

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Description

FIG. 1 is a front view of a blackboard eraser and dust collecter showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

Claims

The ornamental design for a blackboard eraser and dust collecter, as shown and described.

Referenced Cited
U.S. Patent Documents
3986224 October 19, 1976 Yang
4204298 May 27, 1980 Handa et al.
4462134 July 31, 1984 Wang
4742594 May 10, 1988 Chen
4941225 July 17, 1990 Liao
D366670 January 30, 1996 Huh
6772472 August 10, 2004 Wang
Patent History
Patent number: D505157
Type: Grant
Filed: May 25, 2004
Date of Patent: May 17, 2005
Inventor: Chen-Lang Fan (Junghe City, Taipei)
Primary Examiner: Martie K. Holtje
Attorney: Rabin & Berdo, P.C.
Application Number: 29/205,991
Classifications
Current U.S. Class: Eraser (8) (D19/53)