Dust wand cleaning appliance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 11, 2003
Grant Date -
Apr 25, 2002
app pub date -
Jun 15, 2001
filing date -
Jun 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Insertion of a dust wand into a portable vacuum filtration canister removes foreign matter therefrom when and where necessary without polluting the air. A powerpack provides cordless (rechargeable or non-rechargeable) and corded operation. A readily serviceable grid filter, and a HEPA or other filter provides cleaned air free of dirt, dust and allergens.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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