Washing – cleaning – or drying machine – Laundering – cleaning – or drying tools or implements – Scraper – duster – mop – or sponge
Design Patent
2000-02-03
2001-08-28
Douglas, Alan P. (Department: 2911)
Washing, cleaning, or drying machine
Laundering, cleaning, or drying tools or implements
Scraper, duster, mop, or sponge
CD32S042000
Design Patent
active
D0447301
CLAIM:
The ornamental design for a window cleaning device, as shown and described.
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patent: 3724017 (1973-04-01), Mallory
patent: 3847151 (1974-11-01), D'Alessandro et al.
patent: 5343586 (1994-09-01), Vosbikian
patent: 5371914 (1994-12-01), Mallory et al.
patent: 5448793 (1995-09-01), Mallory et al.
Mallory Industries Inc., “Mallory Winter Beaters” WB99.
Mallory Industries Inc., “Mallory Winter Beaters” 98.
Adair Edward W.
Mallory George T.
Mallory William F.
Douglas Alan P.
Mallory Industries Inc.
Senniger Powers Leavitt & Roedel
Tabor Lavone
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