(under subclass 209.3) Head coverings provided with a separate foraminated or reticulated section lying generally in the crown contour and covering the opening.
(1) Note. Head coverings with mere eyelets for openings are excluded. See search notes
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209.4, for head coverings provided with an opening through the crown and having a perforated or mesh annular band superposed over or inserted in the opening.
209.7, for head coverings provided with a perforation through the crown material and which incidentally may include an eyelet, and see (1) Note, above.