(under subclass 182.1) Head coverings in which at least a portion of the spacing means is either detachable from the head covering, or has a portion which is movable out of the general plane of the head opening.
(1) Note. Complete detachment of the spacing means as to leave an inoperative head covering is not considered removable (detachable) for this subclass, but may be found generally in subclasses 182.1+.
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181.4, for head coverings having removable or retractable head-engaging means having discontinuous contact with the head periphery.
182.1+, for crown-spacing means which may be completely removed to leave an inoperative head covering, and see (1) Note, above.
183, for head coverings having a crown, head-contacting means, and means to adjust the size of the head-contacting means to fit the head.
195.2+, for a head covering having a crown, an outwardly extending visor, and means to adjust the circumferential size of the crown.
311+, for torso- or limb-encircling strips for supporting or retaining garments.