USD217612S - Mathematic teaching aid - Google Patents
Mathematic teaching aid Download PDFInfo
- Publication number
- USD217612S USD217612S US D217612 S USD217612 S US D217612S
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- US
- United States
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- teaching aid
- mathematic teaching
- mathematic
- philpot
- united states
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United States Patent Ofiice Des. 217,612 Patented May 19, 1970 MATHEMATIC TEACHING AID Gaudy C. Philpot and Anita S. Philpot, both of 4014 Punta Alta Drive, Los Angeles, Calif. 90008 Filed May 5, 1969, Ser. No. 17,010
Term of patent 14 years Int. Cl. D19-08 U.S. Cl. D251 FIG. 1 is a front elevational view of a mathematic teaching aid showing our new design; 4
FIG. 2 is atop plan View;
FIG. 3 is a left end view; and
FIG. 4 is a right end view.
We claim:
The ornamental design for a mathematic teaching aid, substantially as shown.
References Cited UNITED STATES PATENTS 1,728,491 9/1929 Janneson 3531.5
FOREIGN PATENTS 1,355,405 2/1964 France.
MELVIN B. FEIFER, Primary Examiner
Family
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