Roof stack vent
Roberts October 7, 1
U.S. patent number D257,282 [Application Number 06/010,410] was granted by the patent office on 1980-10-07 for roof stack vent. This patent grant is currently assigned to GAF Corporation. Invention is credited to Luther L. Roberts.
| United States Patent | D257,282 |
| Roberts | October 7, 1980 |
Roof stack vent
Claims
The ornamental design for a roof stack vent, substantially as shown and described.
| Inventors: | Roberts; Luther L. (North Plainfield, NJ) |
|---|---|
| Assignee: | GAF Corporation (New York,
NY) |
| Appl. No.: | 06/010,410 |
| Filed: | February 8, 1979 |
| Current U.S. Class: | D23/373 |
| Current International Class: | D2304 |
| Field of Search: | ;D23/153,154 ;98/62,81-84 |
References Cited [Referenced By]
U.S. Patent Documents
| D223712 | May 1972 | Mason |
| 2277982 | March 1942 | Hosbein |
| 2741972 | April 1956 | Pryne |
| 3345932 | October 1967 | Saver |
| 3685426 | August 1972 | Rosa |
Attorney, Agent or Firm: Kehm; Walter C.
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.
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