Educational word forming unit

Description

FIG. 1 is a perspective view of an educational word forming unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
239385 March 1881 Irwin
D308698 June 19, 1990 Dorman
3302311 February 1967 Israel
3514876 June 1970 Sellers
3550310 December 1970 Bock-Greissau
3628261 December 1971 Thompson
3667760 June 1972 Nelson
4651992 March 24, 1987 Danino
4960382 October 2, 1990 Alford
5018728 May 28, 1991 Lisa
Patent History
Patent number: D334211
Type: Grant
Filed: May 16, 1991
Date of Patent: Mar 23, 1993
Inventor: Shinpei Shimizu (Erlanger, KY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Attorney: Terry M. Gernstein
Application Number: 7/700,913
Classifications
Current U.S. Class: Teaching Material (D19/59)