USD223358S - Pipeline vent - Google Patents
Pipeline vent Download PDFInfo
- Publication number
- USD223358S USD223358S US D223358 S USD223358 S US D223358S
- Authority
- US
- United States
- Prior art keywords
- pipeline vent
- pipeline
- vent
- view
- end view
- Prior art date
Links
- 235000020004 porter Nutrition 0.000 description 2
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Description
United States Patent 0 Des. 223,358 Patented Apr. 11, 1972 PIPELINE VENT William V. Porter, 226 Treasure Way,
San Antonio, Tex.
Filed Nov. 6, 1970, Ser. No. 25,864
Term of patent 14 years U.S. Cl. D23-41 Int. Cl. D23-01 Fig. 4
FIG. 1 is a perspective view of a pipeline vent showing my new design.
FIG. 2 is an end view thereof.
FIG. 3 is a side elevational view thereof.
FIG. 4 is an end view thereof opposite to the end view in FIG. 2.
FIG. 5 is a bottom plan view thereof.
I claim:
The ornamental design for a pipeline vent, as shown.
References Cited UNITED STATES PATENTS D. 179,739 2/1957 McClelland D2341 D. 211,875 8/1968 Porter D23 41 1,623,659 4/1927 Comerford 98-122 3,469,520 9/1969 Foy et al 98-122 JAMES R. LA'RGEN, Primary Examiner
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