Electrode tip for a plasma arc cutting torch

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Description

FIG. 1 is a front elevational view of an electrode tip for a plasma arc cutting torch showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D269617 July 5, 1983 Nippert
D290807 July 14, 1987 Nippert
3472995 October 1969 Browning et al.
3562486 February 1971 Hatch et al.
3813510 May 1974 Hatch
3909581 September 1975 Stone et al.
4345136 August 17, 1982 Nippert
4544139 October 1, 1985 Moore et al.
4581516 April 8, 1986 Hatch et al.
Patent History
Patent number: D295361
Type: Grant
Filed: Jun 11, 1985
Date of Patent: Apr 26, 1988
Assignee: Thermal Dynamics Corporation (West Lebanon, NH)
Inventors: Pearl A. Grant (Grantham, NH), Richard A. Spaulding (Hanover, NH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Majestic, Gallagher, Parsons & Siebert
Application Number: 6/742,292
Classifications
Current U.S. Class: D 8/30