Talking mathematics trainer
United States Patent D280217

Tomozawa, Hisashi (Kanagawa, JP)
Nagao, Yoshihiko (Kanagawa, JP)
Saito, Shigeru (Kanagawa, JP)
Application Number:
Publication Date:
Filing Date:
Nitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Class:
Other Classes:
Field of Search:
D19/60, 434/169, 434/176, 434/335, 434/201, 434/202, D18/7
View Patent Images:
US Patent References:
D273594Electronic teaching and entertainment housing or similar articleApril, 1984LovejoyD19/60
D269356Desk top electronic calculatorJune, 1983Yoshioka et al.D18/7
D256028Case for an electronic learning aid, game or similar apparatusJuly, 1980Lawrence et al.D19/60

Other References:
Hong Kong Toys, 1982, p. 382, top left, Item 899, Talking Computer.
Primary Examiner:
Feifer, Melvin B.
Attorney, Agent or Firm:
Sughrue, Mion Zinn Macpeak And Seas
1. The ornamental design for a talking mathematics trainer, as shown anddescribed.


FIG. 1 is a top, front and left side perspective view of a talking mathematics trainer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof, in inverted position;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a left side elevational view thereof.