Upright vacuum cleaner with cyclonic separation

Details Upright vacuum cleaner with cyclonic separation Upright vacuum cleaner with cyclonic separation

2005-03-22

2005-03-22

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S351000, C055S337000, C055S426000, C055S459100, C055SDIG002, C055SDIG003

Reexamination Certificate

active

06868578

ABSTRACT:
An upright vacuum cleaner with a small cyclone separator is mounted on and in fluid communication with an elongated rigid tube that forms part of a working air conduit and also forms part of an upright handle that is pivotally mounted to a base module with a suction nozzle upstream from a conventional bag filter in a dirty air or clean air dust collection vacuum cleaner.

REFERENCES:
patent: 2542634 (1951-02-01), Davis et al.
patent: 5935279 (1999-08-01), Kilstrom
patent: 6070291 (2000-06-01), Bair et al.
patent: 6146434 (2000-11-01), Scalfani et al.
patent: 6195835 (2001-03-01), Song et al.
patent: 6256833 (2001-07-01), Steinberg
patent: 20010052166 (2001-12-01), Park et al.
patent: 20010054213 (2001-12-01), Oh et al.

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