Portable heat welding machine

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Description

FIG. 1 is a perspective view of a first embodiment of the portable heat welding machine of the present invention.

FIG. 2 is a front elevational view of the first embodiment.

FIG. 3 is a rear elevational view of the first embodiment.

FIG. 4 is a top plan view of the first embodiment.

FIG. 5 is a bottom plan view of the first embodiment.

FIG. 6 is a left end elevational view of the first embodiment; and,

FIG. 7 is a right end elevational view of the first embodiment.

Claims

The ornamental design for a portable heat welding machine, as shown and described.

Referenced Cited
U.S. Patent Documents
2929913 March 1960 Miller
D268185 March 8, 1983 Hirose et al.
D274914 July 31, 1984 Bouman
4484055 November 20, 1984 Haines et al.
4510370 April 9, 1985 Szantho et al.
4656327 April 7, 1987 Wilcox
4924055 May 8, 1990 Nakahigasi et al.
D327694 July 7, 1992 Tanaka
D363298 October 17, 1995 Takemi
D456426 April 30, 2002 Boyer et al.
D523044 June 13, 2006 Hartmann
Patent History
Patent number: D666644
Type: Grant
Filed: Oct 21, 2011
Date of Patent: Sep 4, 2012
Assignee: Miller Weldmaster Corporation (Navarre, OH)
Inventor: Brian D. Henry (North Lawrence, OH)
Primary Examiner: Patricia Palasik
Attorney: Sand & Sebolt
Application Number: 29/404,485
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)