Metal bar

- Norsk Hydro a.s.
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Description

FIG. 1 is an elevational view of two adjacent sides of the metal bar showing our new design;

FIG. 2 is an elevational view of the sides opposite those shown in FIG. 1;

FIG. 3 is an elevational view taken from the left of FIG. 1;

FIG. 4 is a perspective bottom view thereof; and

FIG. 5 is a perspective top view thereof.

Referenced Cited
U.S. Patent Documents
D33953 January 1901 Weiler
1061467 May 1913 Gathmann
2174562 October 1939 Berg
2720967 October 1955 Wilson
2812573 November 1957 May
Patent History
Patent number: D271588
Type: Grant
Filed: Apr 28, 1981
Date of Patent: Nov 29, 1983
Assignee: Norsk Hydro a.s. (Oslo)
Inventors: Christian S. Bakken (Ski), Jan B. Ronhaug (Porsgrunn)
Primary Examiner: B. J. Bullock
Law Firm: Wenderoth, Lind & Ponack
Application Number: 6/258,271
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)
International Classification: D3100;