Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Patent
1983-08-01
1984-06-05
Kemper, Catherine E.
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
D 4 8, D32 40
Patent
active
D02741474
REFERENCES:
patent: 2172479 (1939-09-01), McMillen
patent: 2276264 (1942-03-01), Goldfinger
patent: 2571906 (1951-10-01), Love
patent: 2856625 (1958-10-01), Delacretaz
patent: 2957190 (1960-10-01), Stark
patent: 3045275 (1962-07-01), Delacretaz
patent: 4084478 (1978-04-01), Bailes et al.
patent: 4400842 (1983-08-01), Vitonis
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