Vacuum cleaner filter

Details Vacuum cleaner filter Vacuum cleaner filter

2001-06-19

2003-04-01

Zarfas, Louis S. (Department: 2914)

Washing, cleaning, or drying machine

Washing, cleaning, or drying machine

Element or attachment

Design Patent

active

D0472683

CLAIM:
The ornamental design for a vacuum cleaner filter, as shown and described.

REFERENCES:
patent: 1095258 (1914-05-01), Wright
patent: 1829582 (1931-10-01), Carson
patent: 1861261 (1932-05-01), Carson
patent: 5267371 (1993-12-01), Soler et al.
patent: D382679 (1997-08-01), Dyson
patent: D389963 (1998-01-01), Scanlon et al.
patent: 5931991 (1999-08-01), Leon
patent: 5943733 (1999-08-01), Tagliaferri
patent: 5974626 (1999-11-01), Wood et al.
patent: D462489 (2002-09-01), Roberts et al.

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