Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Patent
1986-05-12
1987-12-08
Kemper, Catherine E.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
D 8347, D 8348
Patent
active
D02931435
REFERENCES:
patent: D117093 (1939-10-01), Florman
patent: D122685 (1940-09-01), Jones
patent: D157736 (1950-03-01), Cerf, Jr.
patent: D174074 (1955-02-01), Brosius
patent: D232806 (1974-09-01), Schlage
patent: 1872939 (1932-08-01), Haddican
patent: 1926944 (1933-09-01), Hester
patent: 2544310 (1951-03-01), Gerhan
patent: 3516106 (1970-06-01), Roefaro
patent: 4200948 (1980-05-01), Nesseth
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