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Class Information
Number: 2/171.02
Name: Apparel > Head coverings > Conical (e.g., dunce cap, witches` hat, etc.)
Description: Head covering wherein the exterior surface of the head covering tapers upwardly along a generally straight line path from the peripheral edge to the vertex of the head covering.

Sub-classes under this class:

Class Number Class Name Patents
2/171.03 Collapsible (e.g., umbrella type, etc.) 18

Patents under this class:

Patent Number Title Of Patent Date Issued
8613114 Head guard Dec. 24, 2013
8251073 Method and kit for the multiple treatment of a head of hair Aug. 28, 2012
6842911 Foldable formative cap capable of opening automatically Jan. 18, 2005
6460193 Partyware makeup kit Oct. 8, 2002
6345395 Sports hat Feb. 12, 2002
6076191 Rotational hat Jun. 20, 2000
5894603 Hat of plush material having an adjustable headband Apr. 20, 1999
5243707 Novelty inflatable hats Sep. 14, 1993
5054122 Structure of hat with cooling system for the head Oct. 8, 1991
4326301 Collapsible sunshade Apr. 27, 1982

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