Component for a ventilation duct system

- Lindab A/S
Description

FIG. 1 is a first end view of a component for a ventilation duct system, showing my new design;

FIG. 2 is a side view of the component;

FIG. 3 is a second end view of the component;

FIG. 4 is a top plan view of the component;

FIG. 5 is a perspective view of the component as seen obliquely from one side; and,

FIG. 6 is a bottom plan view of the component.

Referenced Cited
U.S. Patent Documents
D278652 April 30, 1985 Lindsey
3695643 October 1972 Schmunk
3891248 June 1975 Kannapell
5002317 March 26, 1991 Burkit
5039134 August 13, 1991 Meadows et al.
5040828 August 20, 1991 Kane
5090743 February 25, 1992 Obering
Foreign Patent Documents
27153 January 1985 SEX
Patent History
Patent number: D377829
Type: Grant
Filed: May 5, 1995
Date of Patent: Feb 4, 1997
Assignee: Lindab A/S (Haderslev)
Inventor: Werner J. Andresen (Haderslev)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Cynthia E. Ramirez
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 0/38,480
Classifications