Educational balance beam
Latest PCA Industries Inc. Patents:
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
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