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Class Information
Number: 2/182.7
Name: Apparel > Head coverings > With sweats or other supplementary head engaging member > Crown spacing > Through-passaged spacer
Description: Head coverings in which the spacing means, positioned between the head-contacting means and the crown, provides a through opening or perforation internally thereof, the axis of the opening or perforation extending substantially perpendicularly to the plane of the opening for the head.

Patents under this class:

Patent Number Title Of Patent Date Issued
7398560 Hat/visor with brim vent Jul. 15, 2008
6367084 Headwear Apr. 9, 2002
4131953 Ventilated head gear Jan. 2, 1979
4130902 Cooling hatband Dec. 26, 1978

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