Educational balance beam

- PCA Industries Inc.

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Description

FIG. 1 is a left side perspective view of an educational balance beam showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is an end elevational view, the undisclosed end being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
3545747 December 1970 Thomas
3580568 May 1971 Stone
3837644 September 1974 Stinchcomb
4105201 August 8, 1978 L'Eaujer et al.
Patent History
Patent number: D308698
Type: Grant
Filed: Jul 27, 1987
Date of Patent: Jun 19, 1990
Assignee: PCA Industries Inc. (Long Island City, NY)
Inventor: Mark Dorman (Sodus, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela J. Schmidt
Law Firm: Schweitzer & Cornman
Application Number: 7/77,785
Classifications
Current U.S. Class: Teaching Material (D19/59); 272/111