Resources Contact Us Home
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

  Recently Added Patents
Color stable manganese-doped phosphors
Pressure-applying member, fixing device, and image forming apparatus
Method of driving stereoscopic display apparatus and stereoscopic display apparatus
Memory device having collaborative filtering to reduce noise
Lightweight multicast method and apparatus for data distribution service
Data transfer device and data transfer method
Semiconductor device and method for fabricating the same
  Randomly Featured Patents
Variable billing of MMS messages in wireless network communication system based on message formation application
Polyimide coating compositions from diesterified anhydride and aromatic diamine
Power saving circuit arrangement for an apparatus for data transfer with flexible magnetic disk or the like
Method and apparatus for screening peat moss material
Remote actuator for metal detector discriminating adjust switch
Method and apparatus for fabricating heterojunction bipolar transistors with simultaneous low base resistance and short base transit time
Method and apparatus for dispensing multiple-component flowable substances
Disc brake cover structure and vehicle
LCD display with multi-color illumination means
Light source