Set of educational block tiles

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Description

FIG. 1 is a front elevational view of a set of educational block tiles, showing my new design, the rear being plain and unornamented;

FIG. 2 is a top plan view of a single tile thereof, the bottom being identical; and,

FIG. 3 is a side elevational view thereof, the other side being identical.

Referenced Cited
U.S. Patent Documents
D142491 October 1945 Neiser
243855 July 1881 Crandall
D328107 July 21, 1992 Cheatwood
615818 December 1898 Dexter
729489 May 1903 Cigol
3061947 November 1962 Faudree
3115345 December 1963 Temple et al.
3215435 November 1965 Rheingruber
3235975 February 1966 Pierson
3330053 July 1967 Hendrix
3761093 September 1973 Migliore
3785655 January 1974 Babb
Other references
  • Berndt, F., "the domino book," Thomas Nelson Inc., Publishers (1974).
Patent History
Patent number: D338243
Type: Grant
Filed: Dec 6, 1990
Date of Patent: Aug 10, 1993
Inventor: Linda Underwood (San Francisco, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Limbach & Limbach
Application Number: 7/629,343
Classifications
Current U.S. Class: D21/51