Apparatus for indicating numerical concepts

- Tomy Kogyo Co., Inc.
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Description

FIG. 1 is a front elevational view of an appartus for indicating numerical concepts embodying my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof indicating the left side thereof;

FIG. 4 is a side elevational view thereof indicating the right side thereof; and

FIG. 5 is a top plan view thereof.

The bottom of the apparatus illustrated consists of a flat unornamental surface.

Referenced Cited
U.S. Patent Documents
4015346 April 5, 1977 Ogasawara
Other references
  • Sears Xmas Cat., 1964, p. 195, middle left, Cackling Hen.
Patent History
Patent number: D253709
Type: Grant
Filed: Oct 14, 1977
Date of Patent: Dec 18, 1979
Assignee: Tomy Kogyo Co., Inc. (Tokyo)
Inventor: Masami Shiraishi (Tokyo)
Primary Examiner: Melvin B. Feifer
Attorney: Edward D. O'Brian
Application Number: 5/842,112
Classifications
Current U.S. Class: Demonstrator Or Exhibitor (10) (D19/62)
International Classification: D1907;