Bagless vacuum cleaner

Details Bagless vacuum cleaner Bagless vacuum cleaner

2007-03-06

2007-03-06

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S351000

Reexamination Certificate

active

10686919

ABSTRACT:
A vacuum cleaner is provided including a housing, a nozzle inlet, a suction generator carried on the housing and a dirt vessel carried on the housing. The dirt vessel includes a sidewall, a bottom wall and an air inlet and an air outlet. A filter shield is aligned with the air inlet to deflect an airstream entering the dirt vessel through the air inlet. A filter element is also provided to clean fine dirt and debris from the airstream.

REFERENCES:
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patent: 133436 (1872-11-01), Grassler
patent: 352063 (1886-11-01), Optenberg
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patent: 1230784 (1917-06-01), Rice
patent: 1230827 (1917-06-01), Duffie
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patent: 1847233 (1932-03-01), Bilde
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patent: 5080697 (1992-01-01), Finke
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patent: 5961677 (1999-10-01), Scott
patent: 6243912 (2001-06-01), Grey
patent: 6546592 (2003-04-01), Cockburn et al.
patent: 52-20669 (1977-02-01), None
patent: 56-136642 (1981-10-01), None
patent: 56-136650 (1981-10-01), None

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