Vacuum cleaner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 26, 2002
Issued Date -
N/A
app pub date -
Dec 22, 2000
filing date -
Apr 23, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A vacuum cleaner assembly comprising a main housing, a primary filter system, and a secondary filter system. The main housing includes an inlet and an outlet. The primary filter system filters the air prior to being exhausted outwardly through the outlet. The secondary filter system is placed in downstream airflow from the primary filter system and provides additional filtering of the air prior to being exhausted to atmosphere.
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