Unattended spot cleaning apparatus

Details Unattended spot cleaning apparatus Unattended spot cleaning apparatus

2007-06-12

2007-06-12

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S380000, C015S385000

Reexamination Certificate

active

10551169

ABSTRACT:
A spot cleaning apparatus comprises a housing, a fluid distribution system, a fluid recovery system, an agitation system, and a controller system to automatically monitor and control inputs and outputs to said systems for removal of spots and stains from a surface without attendance by a user. A suction nozzle and agitation device are mounted to the housing for movement over the surface to be cleaned relative to a stationary housing. Optionally, the spot cleaning apparatus can be operated in a manual mode.

REFERENCES:
patent: 1240799 (1917-09-01), Gray
patent: 4295243 (1981-10-01), King
patent: 4441229 (1984-04-01), Monson
patent: 4939808 (1990-07-01), Roden et al.
patent: 5867860 (1999-02-01), Harris
patent: 6446302 (2002-09-01), Kasper et al.
patent: 6467122 (2002-10-01), Lenkiewicz et al.
patent: 8521143 (1987-02-01), None
patent: 4425782 (1996-01-01), None
patent: 04-042099 (1992-02-01), None

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