Projection unit for an electronic calculator

- Casio
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Description

FIG. 1 is a front elevational view of a projection unit for an electronic calculator showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D253438 November 20, 1979 Markley
D319256 August 20, 1991 Yamamoto
D355165 February 7, 1995 Sakaguchi et al.
D355170 February 7, 1995 Mizusuai et al.
Other references
  • Catalog entitled New Graphic Scientific Computer with High-Contrast LCD! - for model fx-7000GA Graphic Scientific Computer (6 sheets), published by Casio Computer Co., Ltd., Japan, Nov. 1990.
Patent History
Patent number: D377044
Type: Grant
Filed: May 2, 1995
Date of Patent: Dec 31, 1996
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Hideaki Yamabe (Yokohama)
Primary Examiner: James M. Gandy
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman, Langer & Chick
Application Number: 0/38,259
Classifications
Current U.S. Class: Element Or Attachment (D18/12)