Extrusion

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Description

FIG. 1 is a fragmentary perspective view of a cross-section of the first embodiment of our design for an extrusion, the extrusion having the same cross-sectional shape throughout its length, and being of indefinite length;

FIG. 2 is a front view thereof;

FIG. 3 is a fragmentary perspective view of a cross-section of the second embodiment of our design for an extrusion, the extrusion having the same cross-sectional shape throughout its length, and being of indefinite length; and,

FIG. 4 is a front view thereof.

Referenced Cited
U.S. Patent Documents
D301067 May 9, 1989 Dallaire et al.
5379560 January 10, 1995 Steller
Patent History
Patent number: D408561
Type: Grant
Filed: Mar 20, 1997
Date of Patent: Apr 20, 1999
Assignee: YKK Corporation of America (Marietta, GA)
Inventors: Tsutomu Ito (Marietta, GA), Michael L. Turner (Dallas, GA), Toshimasa Kusunoki (Uozu)
Primary Examiner: Doris Clark
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
Application Number: 0/68,203
Classifications
Current U.S. Class: With Hollow Core (D25/124)
International Classification: 2501;