Electric vacuum cleaner

- Hitachi, Ltd.
Description

FIG. 1 is a top, front and right side perspective view of an electric vacuum cleaner showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof;

Referenced Cited
U.S. Patent Documents
D189288 November 1960 Smithson
D233645 November 1974 Diehl
D233647 November 1974 Diehl
D234415 March 1975 Lauderfalk
D258821 April 7, 1981 Wareham et al.
Patent History
Patent number: D315624
Type: Grant
Filed: Aug 4, 1989
Date of Patent: Mar 19, 1991
Assignee: Hitachi, Ltd. (Tokyo)
Inventors: Shigetaka Kimura (Koganei), Kouichi Hasegawa (Tachikawa), Tetsuro Aobori (Hino), Kouichi Sagawa (Hitachi), Syuji Watanabe (Ibaragi)
Primary Examiner: A Hugo Word
Assistant Examiner: Ruth McInroy
Law Firm: Antonelli, Terry, Stout & Kraus
Application Number: 7/389,564
Classifications