Educational block toy
United States Patent D248584
US Patent References:
Educational appliance
Patterson - May, 1945 - 2377100

EDUCATIONAL DEVICE
Matsumoto - September, 1973 - 3760511


Inventors:
Snyder, Paul D. (East Aurora, NY)
Application Number:
D/635588
Publication Date:
07/18/1978
Filing Date:
11/28/1975
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Assignee:
The Quaker Oats Company (Chicago, IL)
Primary Class:
D21/470
Other Classes:
D19/60
Field of Search:
D34/15C, D34/15E, D34/15FF, D34/15AM, D34/15R, 46/1A, 46/11, 46/175R, D19/60, D19/59, 35/1, 35/5, 35/22A, 35/31G
Other References:
Child Guidance Catalog, 1973, p. 4, #612, Shape Register.
J. C. Penny Catalog, 1975, p. 330, Item A, Shape Sorting Box.
Primary Examiner:
Stearman, Joel
Assistant Examiner:
Rademaker C. A.
Attorney, Agent or Firm:
Shaw, George W.
Claims:
1. The ornamental design for an educational block toy, substantially as shown.

Description:

FIG. 1 is a front view of an educational block toy showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof; and

FIG. 5 is a left-side elevational view thereof.