A - Human Necessities – 46 – B
Patent
A - Human Necessities
46
B
15/89, 15/12.4
A46B 13/00 (2006.01) A46B 7/06 (2006.01) A46B 9/02 (2006.01) F23J 3/02 (2006.01)
Patent
CA 1200954
ABSTRACT This invention relates to a brush for cleaning chimneys, which brush can be passed in a folded configuration through a chimney in one direction. The brush can then be passed in the opposite direction through the chimney, and assumes during such passage an unfolded configuration, such opposite direction passage acting to maintain it in such unfolded configuration.
431395
Gowling Lafleur Henderson Llp
Weir Harvey J.
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