Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-08-07
2007-08-07
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S327700, C055S374000
Reexamination Certificate
active
10901572
ABSTRACT:
A vacuum cleaner for use with a dust bag provided with a flange adapted to be slidably received in a bracket pivotally mounted in a dust collection chamber between a first position in engagement with a suction opening of the dust collection chamber and a second position removed from the first position. The dust collection chamber is provided with a lid selectively pivotable between open and closed positions. Movement of the lid to its closed position is contingent upon the flange of a dust bag having been inserted into the bracket to release the bracket from a blocking mechanism effective in the second position of the bracket and constituted by an upper edge of the bracket and a groove in the lid.
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patent: 4738697 (1988-04-01), Westergren
patent: 5699585 (1997-12-01), Tomooka et al.
patent: 7076832 (2006-07-01), Albert et al.
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patent: 0044501 (1981-07-01), None
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patent: 2000-126100 (2000-05-01), None
Gerth Volker
Mersmann Udo
Steinkoetter Heinz-Guenter
Darby & Darby
Miele & Cie. KG.
Snider Theresa T.
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