Electric resistance heating devices – Heating devices – Vaporizer
Reexamination Certificate
2005-04-12
2005-04-12
Campbell, Thor (Department: 3742)
Electric resistance heating devices
Heating devices
Vaporizer
C392S386000
Reexamination Certificate
active
06879776
ABSTRACT:
A steam cleaner includes a container having a chamber to receive a steam generator, and a housing having a space to receive a portion of the container and having one or more spacers extended into the space and engaged with the container, to form an air passage between the container and the housing. The housing includes a number of apertures for allowing air to flow through the air passage and to cool the housing. The container includes a front tube to receive an outlet port of the steam generator. A nozzle may be detachably attached to the container. An extension shank may be detachably attached to the rear portion of the container.
REFERENCES:
patent: 2726314 (1955-12-01), Prain
patent: 5265318 (1993-11-01), Shero
patent: 6536379 (2003-03-01), Liu
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