Electric vacuum cleaner

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

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D03543790

REFERENCES:
patent: D263235 (1982-05-01), Akita
patent: D307658 (1990-05-01), Ikeda et al.
patent: D314072 (1991-01-01), Shinozaki et al.
patent: D314847 (1991-02-01), Shouj et al.
patent: D335556 (1993-05-01), Kuriya
patent: D342591 (1993-12-01), Shoji et al.
patent: D347500 (1994-05-01), Abe et al.
Service Merchandise, Dec. 20, 1992, p. 36. Dirt Devil Upright Vacuum Cleaners-Items 2-4.
Kenmore Catalog of its Power Center Upright Vacuum Cleaners, published Apr. 1991.
Kenmore Catalog of its PROformance Upright Vacuum Cleaners, published Apr. 1991.

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