Combined filter and vacuum head for cleaning underwater surfaces

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Element or attachment

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D02792273

REFERENCES:
patent: D131094 (1942-01-01), Carlson
patent: D142329 (1945-08-01), Snyder
patent: D187124 (1960-11-01), Kelnhofer
patent: D206859 (1967-02-01), Polizzi
patent: D259936 (1981-07-01), Price
patent: 2634702 (1953-04-01), Brown
patent: 3630364 (1971-11-01), Johnston
patent: 3795027 (1970-03-01), Lindberg
patent: 4040864 (1977-08-01), Steeves
patent: 4145791 (1979-03-01), Sloan
patent: 4275474 (1981-06-01), Woodward
Design 112, Apr. 1958, p. 46, Illustrations of Newmaid Vacuum Sweeper and Bag, Photocopy.
Catalog #41 of Buyers Guide of Electric Appliances, Illustration lower left page-Hamilton Beach Vacuum Bag.
55 Anniversary Catalog, Clements Mfg. Co., Chicago, Dust Bag No. 9108, p. 19.

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