Gas pressure regulator

- L-TEC
Description

FIG. 1 is a front elevational view of a gas pressure regulator embodying our new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational, the right side elevational view being a mirror image;

FIG. 4 is a top plan view;

FIG. 5 is a front elevational view of another embodiment of FIGS. 1-4;

FIG. 6 is a rear elevational view;

FIG. 7 is a left side elevational view, the right side elevational view; and

FIG. 8 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D259734 June 30, 1981 Cerrato
D288469 February 24, 1987 Pryor
D291231 August 4, 1987 Datta
2061794 November 1936 Deming
2195728 April 1940 Jones et al.
2618908 November 1952 Salter et al.
2625954 January 1953 Klein
2747607 May 1956 Matasovic
2768643 October 1956 Acomb
2770252 November 1956 Bass, Sr.
3286726 November 1966 Guy
3547143 December 1970 Mills, Jr.
4450858 May 29, 1984 Acomb
4489751 December 25, 1984 Acomb et al.
Foreign Patent Documents
476648 December 1914 FRX
534842 January 1921 FRX
425236 September 1947 ITX
Other references
  • Victor Apparatus & Equipment Master Catalog-1986. L-TEC Welding & Cutting Systems Cat./Shaping the Future of Metal Fabrication.
Patent History
Patent number: D311437
Type: Grant
Filed: Apr 18, 1988
Date of Patent: Oct 16, 1990
Assignee: L-TEC (Florence, SC)
Inventors: Bishnu P. Datta (Florence, SC), David G. Anderson (Florence, SC)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Bell, Seltzer, Park & Gibson
Application Number: 7/182,589