Electric vacuum cleaner

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Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an exploded perspective view thereof showing the carriage portion separate from the main body.

Referenced Cited
U.S. Patent Documents
D144558 April 1946 Grohs
D167003 June 1952 Russell
D174495 September 1955 Conord
D174857 October 1955 Ryden
D276944 December 25, 1984 Parker et al.
D312902 December 11, 1990 Essex et al.
D355283 February 7, 1995 Thomas et al.
D374522 October 8, 1996 Fan et al.
Other references
  • Hoover's "Twist & Vac" (advertisement 1996). Bissell's "Model 3036 and 3037" (advertisement 1996). Royal's "Model 533" (advertisement 1996). Royal's "Model 513" (advertisement 1996).
Patent History
Patent number: D422763
Type: Grant
Filed: Dec 9, 1997
Date of Patent: Apr 11, 2000
Assignee: Matsushita Electric Industrial Co., Ltd.
Inventor: Yukihiro Tsuda (Nara)
Primary Examiner: Ruth McInroy
Law Firm: Saidman DesignLaw Group
Application Number: 0/80,445
Classifications
Current U.S. Class: Vacuum (D32/21)
International Classification: 1505;