Toy helicopter

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Description

FIG. 1 is a front perspective view of a toy helicopter showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D217488 May 1970 Perhacs
D224430 July 1972 Feuer
4114309 September 19, 1978 Gay
Other references
  • Straco Catalog, 1973, p. 11, "Puppy Copter".
Patent History
Patent number: D258671
Type: Grant
Filed: May 23, 1978
Date of Patent: Mar 24, 1981
Assignee: Mitsubishi Pencil Co., Ltd. (Tokyo)
Inventor: Hisashi Sase (Chiba)
Primary Examiner: Charles A. Rademaker
Attorney: Davidson C. Miller
Application Number: 5/908,860
Classifications
Current U.S. Class: D21/85
International Classification: D2101;