Three-dimensional geometric puzzle

Description

FIG. 1 is a perspective view of a three-dimensional geometric puzzle showing my new design;

FIG. 2 is an exploded view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a view of a first side thereof;

FIG. 6 is a view of a second side thereof;

FIG. 7 is a view of a third side thereof; and,

FIG. 8 is a view of a fourth side thereof.

Referenced Cited
U.S. Patent Documents
D238698 February 1976 Cook
260594 July 1882 Mehner
D262388 December 22, 1981 Bogue
D340091 October 5, 1993 Miller
1565099 December 1925 Nierodka
4114877 September 19, 1978 Goldfarb et al.
4298200 November 3, 1981 Kanbar
4445865 May 1, 1984 Sellon
5385473 January 31, 1995 Veltman
5746430 May 5, 1998 Chester
Other references
  • Tangrams-330 Puzzles; Ronald C. Read; Dover Pulications, Inc.; p. 1, original Tangram, Jan. 1965. Catalog, MATH "Models for Geometry" pp. 84-85.
Patent History
Patent number: D413361
Type: Grant
Filed: Aug 28, 1998
Date of Patent: Aug 31, 1999
Assignee: Cuisenaire Company of America, Inc. (White Plains, NY)
Inventor: Linda Silvey (Sherman Oaks, CA)
Primary Examiner: Dominic Simone
Attorney: John Nutter, McClennen & Fish, LLP Christopher
Application Number: 0/92,882
Classifications
Current U.S. Class: Puzzle (D21/478)
International Classification: 2101;