Electric vacuum cleaner
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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
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
Current U.S. Class:
Circular Canister In Plan (D32/23)