Plasma arc torch tip with secondary holes

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Description

FIG. 1 is a perspective view of the plasma arc torch tip with secondary holes from the top;

FIG. 2 is a perspective view thereof from below, wherein the dashed lines indicate changes in surface contour;

FIG. 3 is a perspective view thereof from above and rotated from FIG. 1;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view thereof, rotated 90° from FIG. 4;

FIG. 6 is a top plan view thereof, wherein the dashed lines indicate changes in surface contour; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a plasma arc torch tip with secondary holes, as shown and described.

Referenced Cited
U.S. Patent Documents
D299352 January 10, 1989 Spaulding et al.
5147997 September 15, 1992 Haberman
5258599 November 2, 1993 Moerke
5266776 November 30, 1993 Boisvert et al.
5726415 March 10, 1998 Luo et al.
5747767 May 5, 1998 Severance et al.
5856647 January 5, 1999 Luo
D407726 April 6, 1999 Zigliotto
5965040 October 12, 1999 Luo et al.
D420374 February 8, 2000 Zigliotto
6163008 December 19, 2000 Roberts et al.
Patent History
Patent number: D499620
Type: Grant
Filed: Dec 26, 2002
Date of Patent: Dec 14, 2004
Assignee: Thermal Dynamics Corporation (West Lebanon, NH)
Inventors: Kevin Horner-Richardson (Cornish, NH), Joseph P. Jones (Lebanon, NH), Roger W. Hewett (Plainfield, NH)
Primary Examiner: Philip S. Hyder
Attorney, Agent or Law Firm: Harness, Dickey & Pierce, P.L.C.
Application Number: 29/173,319
Classifications
Current U.S. Class: D8/30
International Classification: 0805;