|Publication number||USD178331 S|
|Publication date||Jul 24, 1956|
|Filing date||Mar 21, 1955|
|Publication number||US D178331 S, US D178331S, US-S-D178331, USD178331 S, USD178331S|
|Inventors||James Howard Williams|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
Des. 178,331 Patented July 24, 1956 United States Patent Ofifice PIPE UNION James Howard Williams, Lincoln, R. L, assignor to Grinnell Corporation, Providence, R. I., a corporation of Delaware Application March 21, 1955, Serial No. 35,148
Term of patent 14 years (Cl. D913) FIG. 3
' I claim:
Figure 1 is an end elevational view of a pipe union embodying my new design; The ornamental design for a pipe union, substantially f as shown and described.
Figure 2 is a side elevational view of the pipe union 0 Figure 1; and
References Cited in the file of this patent Figure 3 is an enlarged sectional view through a portion of the pipe union taken substantially along the plane of line 33 of Figure 1.
UNITED STATES PATENTS D. 21,730 Spadone July 19, 1892 OTHER REFERENCES Noland Catalog E, 1943, page E297, lower right hand corner, Stockham Ground Joint Malleable Union.
The characteristic features of my design for a pipe union disclosed reside in the raised portions on the face of the outer polygonal member as shown in solid lines.