Roof vent

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Description

FIG. 1 is a side elevational view of a roof vent showing our new design;

FIG. 2 is a cross sectional view taken on line 2--2 of FIG. 1; and

FIG. 3 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D223712 May 1972 Mason
1502944 July 1924 Earhart
2277982 March 1942 Hosbein
3345932 October 1967 Sauer
3404619 October 1968 Topp
3593478 July 1971 Mason
3685426 August 1972 Rosa
Patent History
Patent number: D254804
Type: Grant
Filed: Dec 11, 1978
Date of Patent: Apr 22, 1980
Inventors: James W. Ballard (Livonia, MI), Larry R. Ballard (Redford Township, Wayne County, MI)
Primary Examiner: James R. Largen
Attorney: Irving M. Weiner
Application Number: 5/968,385
Classifications
Current U.S. Class: D23/153; 98/42R
International Classification: D2304;