Roof stack vent
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Description
FIG. 1 is a perspective view of a roof stack vent showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D223712 | May 1972 | Mason |
2277982 | March 1942 | Hosbein |
2741972 | April 1956 | Pryne |
3345932 | October 1967 | Saver |
3685426 | August 1972 | Rosa |
Patent History
Patent number: D257282
Type: Grant
Filed: Feb 8, 1979
Date of Patent: Oct 7, 1980
Assignee: GAF Corporation (New York, NY)
Inventor: Luther L. Roberts (North Plainfield, NJ)
Primary Examiner: James R. Largen
Attorney: Walter C. Kehm
Application Number: 6/10,410
Type: Grant
Filed: Feb 8, 1979
Date of Patent: Oct 7, 1980
Assignee: GAF Corporation (New York, NY)
Inventor: Luther L. Roberts (North Plainfield, NJ)
Primary Examiner: James R. Largen
Attorney: Walter C. Kehm
Application Number: 6/10,410
Classifications
Current U.S. Class:
D23/153
International Classification: D2304;
International Classification: D2304;