Structural extrusion

- Design Specialties, Inc.
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Description

FIG. 1 is a perspective view of the structural extrusion showing our new design;

FIG. 2 is an end view of the structural extrusion showing our new design;

FIG. 3 is a side elevation view of the structural extrusion showing our new design;

FIG. 4 is a side elevation view of the structural extrusion opposite to that shown in FIG. 3 and showing our new design;

FIG. 5 is a front elevation view of the structural extrusion showing our new design; and,

FIG. 6 is a rear elevation view of the structural extrusion showing our new design.

Referenced Cited
U.S. Patent Documents
D300397 March 28, 1989 Michaelsen
D306491 March 6, 1990 Hallengren
3566561 March 1971 Tozler
4968171 November 6, 1990 Shell
Patent History
Patent number: D344599
Type: Grant
Filed: Jun 29, 1992
Date of Patent: Feb 22, 1994
Assignee: Design Specialties, Inc. (Milwaukee, WI)
Inventors: Robert J. Ehmke (Germantown, WI), David J. Schmitz (Milwaukee, WI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Godfrey & Kahn
Application Number: 7/906,129
Classifications
Current U.S. Class: With Hollow Core (D25/124)