The ornamental design for a patternedneckerchief, as shown and described.
FIG. 1 is a front view of the patterned neckerchief. The squares shown in broken lines indicate the bounds of the detail views provided in FIGS. 2 and 3, and form no part of the claimed design.
FIG. 2 is an enlarged detailed view of the patterned neckerchief, indicated by the broken-line square shown in the lower left-hand corner of FIG. 1; and,
FIG. 3 is an enlarged detailed view of the patterned neckerchief, indicated by the broken-line square shown in the lower right-hand corner of FIG. 1.