US D497414 S1
Abstract available in
FIG. 1 is a perspective view of a socket of pipe coupling for charging hydrogen when seen from the top and left side of the front, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a centrally cross sectioned front view taken across FIG. 4 along line VI—VI.