Vacuum cleaner

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.

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Patent

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D03716538

REFERENCES:
patent: D263235 (1982-03-01), Akita
patent: D305168 (1989-12-01), Kroll
patent: D307658 (1990-05-01), Ikeda et al.
patent: D314847 (1991-02-01), Shouji et al.
patent: D342591 (1993-12-01), Shoji et al.
Hoover Power Max Cleaner Sales Catalog, Published Mar. 1993.
Sharp EC-14TXT6 Cleaner Sales Catalog, Published Jan. 1994.
Sharp EC-12TX6 Upright Vacuum Cleaner Sales Catalog May 1992.
Panasonic Performance Plus Jet-Flo Vacuum Cleaner Sales Catalog before Oct. 4, 1994.
Eureka Powerline Gold Plus Model 973 Sales Catalog .COPYRGT.1993.
Eureka Contour Upright Vacuum Cleaner Sales Catalog .COPYRGT.1993.
Hoover Turbopower 1000 Cleaners Sales Catalog Jul. 1993.

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