Ventilator cover

- Production Research, Inc.
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Description

FIG. 1 is a perspective view of a ventilator cover showing my new design it being understood that the broken lines are for illustrative purposes only;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a greatly enlarged top plan view thereof;

FIG. 4 is a bottom plan view of FIG. 3;

FIG. 5 is a side elevational view taken along line 5--5 in FIG. 3;

FIG. 6 is a side elevational view taken along line 6--6 in FIG. 3;

FIG. 7 is an end elevational view taken along line 7--7 in FIG. 3;

FIG. 8 is an end elevational view taken along line 8--8 in FIG. 3;

FIG. 9 is a sectional view taken along line 9--9 in FIG. 3; and

FIG. 10 is a slightly enlarged fragmentary sectional view taken along line 10--10 in FIG. 3.

Referenced Cited
U.S. Patent Documents
1551528 August 1925 Ford
2987979 June 1961 Hezler, Jr.
3328074 June 1967 Van Rossem
Patent History
Patent number: D247510
Type: Grant
Filed: Oct 29, 1976
Date of Patent: Mar 14, 1978
Assignee: Production Research, Inc. (Toledo, OH)
Inventor: Anthony Kujawa, Jr. (Toledo, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Richard B. Dence
Application Number: 5/736,742
Classifications
Current U.S. Class: D23/153
International Classification: D2304;