Wheeled type suction producing unit for vacuum cleaner

- Shop-Vac Corporation
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Description

FIG. 1 is a top, front and right side perspective view of a wheeled type suction producing unit for vacuum cleaner showing our new design, the portion shown in broken lines is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4458377 July 10, 1984 Frohbieler
4542556 September 24, 1985 Hepple
4573235 March 4, 1986 Baird, Sr. et al.
Other references
  • "Working With Tools & Equipment", p. 31, undated but believed to have been on sale in U.S. more than one yr. prior to filing date of this application. Photographs 1-6 of a Victa Vac 500 wheeled vacuum unit shown and described in "Working With Tools & Equipment" (listed above).
Patent History
Patent number: D349791
Type: Grant
Filed: May 19, 1988
Date of Patent: Aug 16, 1994
Assignee: Shop-Vac Corporation (Williamsport, PA)
Inventors: Robert C. Berfield (Jersey Shore, PA), Ronald F. Meland (Muncy, PA)
Primary Examiner: Ruth McInroy
Law Firm: Marshall, O'Toole, Gerstein, Murray & Borun
Application Number: 7/196,087