Electric resistance heating devices – Heating devices – Concentrated heated air stream
Reexamination Certificate
2005-03-29
2005-03-29
Jeffery, John A. (Department: 3742)
Electric resistance heating devices
Heating devices
Concentrated heated air stream
C034S097000, C219S480000, C392S384000
Reexamination Certificate
active
06873792
ABSTRACT:
A portable dryer includes a housing, a motor installed with a fan inside the housing, a power unit for supplying electric power to the portable dryer, a switch electrically connected to the power unit, and four heating filaments electrically connected to the power unit for generating heat. Power of the motor is related to power of the heating filaments.
REFERENCES:
patent: 1607195 (1926-11-01), Gross
patent: 2647198 (1953-07-01), Lautner
patent: 5825974 (1998-10-01), Hutton et al.
patent: 6327428 (2001-12-01), Lo et al.
patent: 6408131 (2002-06-01), Lo et al.
patent: 2117194 (1983-10-01), None
Jeffery John A.
Tek Maker Corporation
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