Wheeled type suction producing unit for vacuum cleaner

Details Wheeled type suction producing unit for vacuum cleaner Wheeled type suction producing unit for vacuum cleaner

1988-05-19

1994-08-16

McInroy, Ruth

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

Element or attachment

D32 32

Patent

active

D03497917

REFERENCES:
patent: 4458377 (1984-07-01), Frohbieler
patent: 4542556 (1985-09-01), Hepple
patent: 4573235 (1986-03-01), Baird, Sr. et al.
"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).

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