Talking mathematics trainer

Tomozawa , et al. August 20, 1

Patent Grant D280217

U.S. patent number D280,217 [Application Number 06/472,343] was granted by the patent office on 1985-08-20 for talking mathematics trainer. This patent grant is currently assigned to Nitsubishi Denki Kabushiki Kaisha. Invention is credited to Yoshihiko Nagao, Shigeru Saito, Hisashi Tomozawa.


United States Patent D280,217
Tomozawa ,   et al. August 20, 1985

Talking mathematics trainer

Claims

The ornamental design for a talking mathematics trainer, as shown and described.
Inventors: Tomozawa; Hisashi (Kanagawa, JP), Nagao; Yoshihiko (Kanagawa, JP), Saito; Shigeru (Kanagawa, JP)
Assignee: Nitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Appl. No.: 06/472,343
Filed: March 4, 1983

Foreign Application Priority Data

Oct 8, 1982 [JP] 57-45924
Current U.S. Class: D19/60; D18/7
Field of Search: ;D19/60 ;434/169,176,335,201,202 ;D18/7

References Cited [Referenced By]

U.S. Patent Documents
D256028 July 1980 Lawrence et al.
D269356 June 1983 Yoshioka et al.
D273594 April 1984 Lovejoy

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

Description



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.

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