A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 5/36 (2006.01) A47L 9/00 (2006.01)
Patent
CA 2673645
A collapsible vacuum cleaner is described, comprising a collapsible canister having a rigid bottom portion comprising a top opening and a rigid top portion comprising a bottom opening and telescopically mounted to the bottom portion so as to be movable longitudinally relative to the bottom portion. To retain a suction seal during operation of the vacuum cleaner, a longitudinally expanding skirt in air impermeable communication between the top portion and the bottom portion maintains the low pressure zone created within the canister by an air mover.
Arato Paul T.
Vanderham Robert
Vanderwerf Kevin P.
Dimock Stratton Llp
Northman Holdings Inc.
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