Electronic calculator

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Description

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

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D245108 July 19, 1977 Pemberton
D269356 June 14, 1983 Yoshioka et al.
D285933 September 30, 1986 Yoshioka et al.
Other references
  • The Office, Apr. 1985; p. 233; Technico upper left corner. Hong Kong Enterprise; Mar. 1986; p. 207.
Patent History
Patent number: D306311
Type: Grant
Filed: Feb 6, 1987
Date of Patent: Feb 27, 1990
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Tetsuo Sugi (Kanagawa), Kazuyoshi Kojima (Kanagawa)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/12,216
Classifications
Current U.S. Class: With Keyboard (D18/7)