Extrusion for metallic frameworks

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Description

FIG. 1 is an end elevational view of an extrusion for metallic frameworks showing a first embodiment of my new design;

FIG. 2 is a fragmentary top right perspective view thereof;

FIG. 3 is a fragmentary bottom left perspective view thereof;

FIG. 4 is an end elevational view of an extrusion for metallic frameworks showing a second embodiment of my new design;

FIG. 5 is a fragmentary top right perspective view thereof; and

FIG. 6 is a fragmentary bottom left perspective view thereof.

Referenced Cited
U.S. Patent Documents
50050 December 1916 Landine
59367 October 1921 McCarthy
742549 October 1903 Forsyth
1147836 July 1915 Allmand
1307822 June 1919 Kling
3545496 December 1970 Wogerbauer
Patent History
Patent number: D313859
Type: Grant
Filed: Apr 23, 1987
Date of Patent: Jan 15, 1991
Inventor: Jose E. Martin (Puerto de Sagunto, Valencia)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: McGlew and Tuttle
Application Number: 7/41,753
Classifications
Current U.S. Class: With Hollow Core (D25/124)