Electronic calculator

- Casio
Description

FIG. 1 is a top plan view of an electronic calculator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right, front and top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D256695 September 2, 1980 Yamagami
D282853 March 4, 1986 Yoshioka et al.
D297547 September 6, 1988 Sasaki
D308536 June 12, 1990 Suzuki
D314004 January 22, 1991 Ida
D314206 January 29, 1991 Ido
4697072 September 29, 1987 Kawana
Patent History
Patent number: D328091
Type: Grant
Filed: Feb 1, 1990
Date of Patent: Jul 21, 1992
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Kenji Takahata (Hino)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/473,390
Classifications
Current U.S. Class: With Keyboard (D18/7); Calculator (3) (D18/6); D14/100