Electric vacuum cleaner

- Hitachi, Ltd.
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Description

FIG. 1 is a front, top 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 top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D246107 October 18, 1977 Yoshida et al.
D279614 July 9, 1985 Essex
D280143 August 13, 1985 Berfield et al.
D289213 April 7, 1987 Perkins
D290896 July 14, 1987 Kim
D296944 July 26, 1988 Yamamoto et al.
D297475 August 30, 1988 Umehara et al.
D297675 September 13, 1988 Umehara et al.
Patent History
Patent number: D312901
Type: Grant
Filed: Mar 27, 1989
Date of Patent: Dec 11, 1990
Assignee: Hitachi, Ltd. (Tokyo)
Inventors: Tomoyuki Miyata (Tokyo), Kohichi Hasegawa (Tachikawa), Masao Sunagawa (Hitachi), Akira Iwao (Kitaibaraki), Naruhiko Suzuki (Hitachi)
Primary Examiner: A. Hugo Word
Assistant Examiner: Ruth McInroy
Law Firm: Antonelli, Terry, Stout & Kraus
Application Number: 7/328,697
Classifications
Current U.S. Class: Vacuum (D32/21)