Insulating cover for a building vent opening

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Description

FIG. 1 is a perspective view of an insulating cover for a building vent opening embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a rear end elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D216696 March 1970 Blee
2100126 November 1937 Bonsall
2277791 March 1942 Small
3687800 August 1972 Scheppers
3966084 June 29, 1976 Box
Patent History
Patent number: D244539
Type: Grant
Filed: Sep 24, 1975
Date of Patent: May 31, 1977
Inventor: Bennie Lee Mulligan (Charlotte, NC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Channing L. Richards
Application Number: 5/616,423
Classifications
Current U.S. Class: D23/163
International Classification: D2304;