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Class Information
Number: 2/171.1
Name: Apparel > Head coverings > Separable crown section type
Description: Head coverings in which the crown consists of a dome portion and a head-surrounding portion providing a passage for the head, together forming the crown body, said portions being bodily movable relative to each other to provide an open area therebetween upon separation of the portions and to close said area when the portions are brought together.










Patents under this class:

Patent Number Title Of Patent Date Issued
8683617 Multi-component helmet with ventilation shutter Apr. 1, 2014
8635713 Collapsible hat Jan. 28, 2014
8613114 Head guard Dec. 24, 2013
8572767 Protective helmet Nov. 5, 2013
8234721 Headgear with integrated game netting Aug. 7, 2012
7962971 Flip cap system Jun. 21, 2011
7360258 Headgear with integrated hair shielding mechanism Apr. 22, 2008
7076810 Multipurpose boonie hat Jul. 18, 2006
6910225 Hat and method for making same Jun. 28, 2005
6875437 Hair protection bag with a fastening opening and a method for using the same Apr. 5, 2005
6560785 Visor having a retractable cap May. 13, 2003
6484323 Convertible-hat with brim stowable within cap Nov. 26, 2002
6385776 Modular cap assembly May. 14, 2002
6230331 Hat with applications May. 15, 2001
6209139 Novelty caps having openable areas Apr. 3, 2001
6094749 Removable sizing band for head wear Aug. 1, 2000
6070270 Three-in-one transformation hats Jun. 6, 2000
6052830 Combined cape and cover for visor or the like Apr. 25, 2000
5943702 Headwear piece with changeable appearance Aug. 31, 1999
5924139 Cap attachment Jul. 20, 1999
5901370 Segmented cap assembly May. 11, 1999
5887285 Insulated liner for headgear Mar. 30, 1999
5875493 Modular head covering system Mar. 2, 1999
5845338 Multi use head cover Dec. 8, 1998
5771493 Head wear accessorization system Jun. 30, 1998
5685017 Modular hat Nov. 11, 1997
5509145 Cap with opening having a removable closure Apr. 23, 1996
5481759 Expandable baseball hat and cover Jan. 9, 1996
5365607 Cap having evaporative cooling interior apparatus Nov. 22, 1994
5293646 Protective garment Mar. 15, 1994
5226180 Protective cap for golfers Jul. 13, 1993
5099524 Segmented cap assembly Mar. 31, 1992
5091995 Sports cap Mar. 3, 1992
5070545 Cap assembly Dec. 10, 1991
4955089 Two-piece hard hat Sep. 11, 1990
4873726 Cap assembly Oct. 17, 1989
RE32569 Protective helmet Jan. 5, 1988
4345336 Head protecting headwear Aug. 24, 1982
4247958 Uniform cap with changeable cover Feb. 3, 1981
4131953 Ventilated head gear Jan. 2, 1979
4104741 Novelty hat device Aug. 8, 1978
4062063 Cap cover connectors Dec. 13, 1977
4023212 Adjustable visored cap with interchangeable crown May. 17, 1977











 
 
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