Roof curb for supporting a ventilator

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Description

FIG. 1 is a top and front perspective view of a roof curb for supporting a ventilator showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a cross-sectional view taken along the line 5--5 in FIG. 1.

Referenced Cited
U.S. Patent Documents
D179950 March 1957 Miller
D188962 October 1960 Zeiler
D191018 August 1961 Kearney et al.
D203139 December 1965 Jenn et al.
D247509 March 14, 1978 Rousey
2218348 October 1940 Boyer
2439271 April 1948 Shaver
2774293 December 1956 Jenn
2830527 April 1958 Breidert et al.
3302551 February 1967 Van Belle et al.
3461625 August 1969 Sandow
3960063 June 1, 1976 Siemes et al.
Patent History
Patent number: D263497
Type: Grant
Filed: Aug 2, 1979
Date of Patent: Mar 23, 1982
Assignee: Ralph Kearney & Son, Inc. (Cornwells Heights, PA)
Inventor: Ralph M. Kearney, III (Yardley, PA)
Primary Examiner: James R. Largen
Attorneys: Joseph G. Denny, III, Peter J. Patane
Application Number: 6/63,348
Classifications
Current U.S. Class: D23/163
International Classification: D2304;