Title:
Didactic toy for mathematics
United States Patent D539350


Inventors:
Vazquez Gastellu, Alma Rosa (Morelos, MX)
Application Number:
29/240976
Publication Date:
03/27/2007
Filing Date:
10/21/2005
Assignee:
Abastecedora Rimova S.A. de C.V. (Obregon, MX)
Primary Class:
International Classes:
(IPC1-7): 1907
Field of Search:
434/193, 40/621, 434/407, 434/188, 434/209, 40/904, D19/59-64, 434/211, 434/430, D19/52
View Patent Images:
US Patent References:
D502964Portable easelMarch, 2005CzirakyD19/52
D444176Magnetic educational board and easelJune, 2001LeslieD19/59
5865627Education system kitFebruary, 1999Foresman434/193
5699631Rotatable magnetic memory reminder deviceDecember, 1997Tyson40/621
D388461Educational board and pieces thereforDecember, 1997Smith et al.D19/64
D252758Portable teaching aidAugust, 1979PrallD19/62
3339295Mathematics instructing deviceSeptember, 1967Wanvig434/209
D184396N/AFebruary, 1959JenkinsD19/59



Primary Examiner:
Delehanty, Robert A.
Assistant Examiner:
Cavanna, Mark
Attorney, Agent or Firm:
Egbert Law Offices
Claims:
CLAIM

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

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.