Mathematical instructional aide device
Description
FIG. 1 is a front, top respective view of a mathematical instruction aide device showing the new design;
FIG. 2 is a reduced top plan view thereof;
FIG. 3 is a reduced front elevational view thereof; and,
FIG. 4 is a reduced left side elevational view thereof.
Claims
The ornamental design for mathematical instructional aide device, as shown and described.
Referenced Cited
Patent History
Patent number: D471235
Type: Grant
Filed: Jun 21, 2001
Date of Patent: Mar 4, 2003
Assignee: Evan McKenna Foundation (Woodside, CA)
Inventor: Kay Perkins Emerson (Woodside, CA)
Primary Examiner: Adir Aronovich
Attorney, Agent or Law Firm: Gray Cary Ware & Freidenrich LLP
Application Number: 29/143,929
Type: Grant
Filed: Jun 21, 2001
Date of Patent: Mar 4, 2003
Assignee: Evan McKenna Foundation (Woodside, CA)
Inventor: Kay Perkins Emerson (Woodside, CA)
Primary Examiner: Adir Aronovich
Attorney, Agent or Law Firm: Gray Cary Ware & Freidenrich LLP
Application Number: 29/143,929
Classifications
Current U.S. Class:
Teaching Material (D19/59);
Demonstrator Or Exhibitor (10) (D19/62)
International Classification: 1907;
International Classification: 1907;