Electronic calculator
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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;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a top plan view of another embodiment thereof;
FIG. 9 is a rear elevational view thereof;
FIG. 10 is a right side elevational view thereof;
FIG. 11 is a left side elevational view thereof;
FIG. 12 is a front elevational view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a perspective view thereof;
FIG. 15 is a top plan view of another embodiment thereof;
FIG. 16 is a rear elevational view thereof;
FIG. 17 is a right side elevational view thereof;
FIG. 18 is a left side elevational view;
FIG. 19 is a front elevational view thereof;
FIG. 20 is a bottom plan view thereof;
FIG. 21 is a perspective view thereof;
FIG. 22 is a top plan view of another embodiment thereof;
FIG. 23 is a rear elevational view thereof;
FIG. 24 is a right side elevational view thereof;
FIG. 25 is a left side elevational view thereof;
FIG. 26 is a front elevational view thereof;
FIG. 27 is a bottom plan view thereof; and
FIG 28 is a perspective view thereof.
D258740 | March 31, 1981 | Matsumoto |
D273307 | April 3, 1984 | Yamagami |
D282853 | March 4, 1986 | Yoshioka et al. |
D287507 | December 30, 1986 | Yoshioka et al. |
D287508 | December 30, 1986 | Yoshioka et al. |
D297547 | September 6, 1988 | Sasaki |
4697072 | September 29, 1987 | Kawana |
- Office Products Dealer (OPD), Jul. 1985; p. 77; lower left corner. Hong Kong Enterprise; 9/1985; p. 300; #601 lower left side.
Type: Grant
Filed: Apr 20, 1987
Date of Patent: Jan 22, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Yukihiko Ida (Higashi-Kurume)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron Vegnar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/40,584