Electric heating – Metal heating – By arc
Reexamination Certificate
2007-11-05
2010-11-02
Kerns, Kevin P (Department: 1793)
Electric heating
Metal heating
By arc
C219S141000
Reexamination Certificate
active
07825351
ABSTRACT:
A hand held electrode holder has a power on/off switch on the handle of the electrode holder and a trigger to open the clamping jaws that clamp the electrode. The holder has internal parts which operate such that the trigger cannot open the clamping jaws while the switch is in the power on position thereby reducing the possibility of an electric hazard when changing electrodes.
REFERENCES:
patent: 2310020 (1943-02-01), Gallo
patent: 2006/0086709 (2006-04-01), Schneider
Dazcor IP Pty Ltd
Kerns Kevin P
Stein McEwen, LLP
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