Patent
   D500773
Priority
Nov 03 2003
Filed
Nov 03 2003
Issued
Jan 11 2005
Expiry
Jan 11 2019
Assg.orig
Entity
unknown
20
4
n/a
The ornamental design for a cooling tube for plasma arc torch, as shown and described.

FIG. 1 is a perspective view of a cooling tube for plasma arc torch showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left end elevation view thereof; and,

FIG. 4 is a right end elevation view thereof.

The rear elevation view, the top plan view, and the bottom plan view are identical to FIG. 2.

Colson, Dana F., Chumchal, Roman V.

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Patent Priority Assignee Title
4313046, Mar 10 1980 Hobart Brothers Company Water cooled welding gun
5828029, Jun 20 1995 Aerospatiale Societe Nationale Industrielle Device for externally cooling a plasma torch
5909535, Apr 23 1998 Seelye Acquisition, Inc. Hot air welding torch with concentric tubular members providing cooling air flow
6586708, Sep 04 2001 Water vapor cooled nozzle used in the MIG and TIG arc welding process
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 15 2003COLSON, DANA F , JR TATRAS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146730707 pdf
Oct 15 2003CHUMCHAL, ROMAN V TATRAS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146730707 pdf
Nov 03 2003Tatras, Inc.(assignment on the face of the patent)
Nov 08 2004TATRAS, INC THERMACUT, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0155410033 pdf
Feb 03 2012THERMACUT, INC THERMACUT S R O ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0276510135 pdf
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