Title:
Mathematical aid
United States Patent D262892


Inventors:
Heiko, Burton S. (15 Steuben Dr., Jericho, NY, 11753)
Application Number:
06/054303
Publication Date:
02/02/1982
Filing Date:
07/02/1979
Primary Class:
Other Classes:
D18/10, D19/62
Field of Search:
D19/59, D19/60, D19/62, D19/64, D10/46.1, 434/174, 434/198, 434/404
View Patent Images:
US Patent References:
2471271Educational deviceMay, 1949Green434/198
D150506N/AAugust, 1948BlancD19/64
0667397N/AFebruary, 1901Jones434/198



Primary Examiner:
Lee, Lester L.
Attorney, Agent or Firm:
Heiko, Burton S.
Claims:
1. The ornamental design for an educational aid called mathematical aid, asshown.

Description:

FIG. 1 is an isometric view of the mathematical aid showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged side elevational view thereof;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged bottom plan view thereof.