Carpet vacuum cleaner

- Castex Industries, Inc.
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Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D183080 June 1958 Ashton
D183552 September 1958 Barmov et al.
D202170 September 1965 Little et al.
D255356 June 10, 1980 Block
D258963 April 21, 1981 Phillips
D263475 March 23, 1982 Block
D273621 April 24, 1984 Hauo et al.
D290053 May 26, 1987 Block
D290054 May 26, 1987 Block
D298479 November 8, 1988 Jacobs et al.
Other references
  • Advance Machine Company Specifications, .COPYRGT.1983.
Patent History
Patent number: D337185
Type: Grant
Filed: May 22, 1990
Date of Patent: Jul 6, 1993
Assignee: Castex Industries, Inc. (Holland, MI)
Inventor: Richard F. Wulff (Maple Plain, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: Ruth McInvoy
Law Firm: Price, Heneveld, Cooper, DeWitt & Litton
Application Number: 7/527,035