Language learning aid

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Description

FIG. 1 is a top perspective view of a language learning aid showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an inverted rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D220340 March 1971 Sasaki
D256028 July 22, 1980 Lawrence et al.
D277474 February 5, 1985 Miura
D280217 August 20, 1985 Tomozawa et al.
D309923 August 14, 1990 Cheung
D311006 October 2, 1990 Hino et al.
Other references
  • Popular Science, 1979, p. 153, Teaching Aid at top of page. McCalls, 12/1988, p. 89, "Speak & Music" Learning Aid.
Patent History
Patent number: D324544
Type: Grant
Filed: Jun 1, 1990
Date of Patent: Mar 10, 1992
Inventor: Richard Duh (Taipei)
Primary Examiner: James M. Gandy
Assistant Examiner: Pamela Schmidt
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 7/532,092