Self-closing ventilation louver

- Leslie-Locke, Inc.
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Description

FIG. 1 is a front elevational view of a self-closing ventilation louver showing my new design;

FIG. 2 is a top plan view thereof, the bottom being the same as the top shown;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is an elevational view taken from one side thereof, the opposite side being the same as the side shown.

Referenced Cited
U.S. Patent Documents
D225010 October 1972 Steiner
D225011 October 1972 Steiner
D242462 November 1976 Shames et al.
D256389 August 12, 1980 Caine
2825275 March 1958 Gerlitz
3143953 August 1964 Bristol
3263906 August 1966 Ward
3270656 September 1966 Cook
3334569 August 1967 Lambie
4094336 June 13, 1978 Urschel et al.
4131060 December 26, 1978 Caine
4151789 May 1, 1979 Grobard
4385550 May 31, 1983 Steiner et al.
4406216 September 27, 1983 Hott et al.
Patent History
Patent number: D281194
Type: Grant
Filed: Jan 6, 1983
Date of Patent: Oct 29, 1985
Assignee: Leslie-Locke, Inc. (Atlanta, GA)
Inventor: Kert E. Artwick (Roswell, GA)
Primary Examiner: James R. Largen
Attorney: John E. Benoit
Application Number: 6/456,305
Classifications
Current U.S. Class: D23/151; D23/114