Didactic toy for mathematics

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Description

FIG. 1 is a front perspective view of a didactic toy for mathematics showing my design.

FIG. 2 is an exploded perspective view thereof;

FIG. 3 is a front perspective view of the board element;

FIG. 4 is a front view thereof;

FIG. 5 is a side view with the opposite side being a mirror image thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a slightly enlarged side view of the base element with the opposite side being a mirror image thereof;

FIG. 8 is a slightly enlarged end view with the opposite side being a mirror image thereof;

FIG. 9 is a slightly enlarged top view thereof;

FIG. 10 is an enlarged perspective view of a tile piece with the number “9” shown in broken lines forming no part of the claimed design;

FIG. 11 is an enlarged side view with the opposite side being a mirror image thereof;

FIG. 12 is an enlarged front view thereof;

FIG. 13 is an enlarged perspective view of a mounting tool;

FIG. 14 is an enlarged front view thereof;

FIG. 15 is an enlarged side view thereof;

FIG. 16 is an enlarged top plan view thereof;

FIG. 17 is an enlarged exploded perspective view of a spinning dial piece element;

FIG. 18 is a greatly enlarged partial broken away persective view of the board, showing the application of the tile piece with the mounting tool. The like tile piece and the number “9” and the Letter “A” are shown in broken lines forming no part of the claimed design;

FIG. 19 is another enlarged perspective view of a didactic toy for mathematics with all numerals and markings shown in broken lines forming no part of the claimed design; and,

FIG. 20 is another enlarged perspective view of a didactic toy for mathematics with all letters and markings shown in broken lines forming no part of the claimed design.

Claims

I claim the ornamental design for a didactic toy for mathematics, as shown and described.

Referenced Cited
U.S. Patent Documents
D184396 February 1959 Jenkins
3339295 September 1967 Wanvig
D252758 August 28, 1979 Prall
D388461 December 30, 1997 Smith et al.
5699631 December 23, 1997 Tyson
5865627 February 2, 1999 Foresman
D444176 June 26, 2001 Leslie
D502964 March 15, 2005 Cziraky
Patent History
Patent number: D539350
Type: Grant
Filed: Oct 21, 2005
Date of Patent: Mar 27, 2007
Assignee: Abastecedora Rimova S.A. de C.V. (Obregon)
Inventor: Alma Rosa Vazquez Gastellu (Morelos)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: Egbert Law Offices
Application Number: 29/240,976
Classifications