Electric heating – Metal heating – By arc
Reexamination Certificate
2006-02-14
2006-02-14
Kerns, Kevin P. (Department: 1725)
Electric heating
Metal heating
By arc
C219S137620
Reexamination Certificate
active
06998575
ABSTRACT:
An in-line welding gun includes a mounting block, a wire feed mechanism and a torch barrel. A motor is positioned behind the mounting block along a longitudinal axis of the gun. The torch barrel curves away from the longitudinal axis. The motor and the torch barrel are surrounded by a substantially rigid shell comprising a tubular portion and a torch portion.
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Figure 1 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001 (provided in item 13 of the Information Disclosure Statement of Jun. 26, 2003).
Figure 1 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Figure 2 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Figure 3 is an assembly drawing of the Cobra™ welding gun, which was discussed in the Summary of the Invention and was on sale before Dec. 19, 2001.
Figure 4 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Chart 1 is a label of parts for the part numbers used in Figure 4.
Figure 5 is assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Figure 6 is an assembly drawing of a welding gun that was on sale before Dec. 19, 2001.
Kerns Kevin P.
Knobbe Martens & Olson Bear LLP.
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