Resources Contact Us Home
Class Information
Number: 2/171.4
Name: Apparel > Head coverings > With movable closure for opening
Description: Head coverings provided with an air passage, smaller in cross-section than the head dimensions, combined with an adjustable or removable means to either (1) open, or (2) substantially close off or cover the passage.

Sub-classes under this class:

Class Number Class Name Patents
2/171.5 Flexible material closure 16
2/171.7 Movable along crown surface 4

Patents under this class:

Patent Number Title Of Patent Date Issued
8621668 Convertible garment Jan. 7, 2014
7945971 Hat with hair-gathering feature May. 24, 2011
7865976 Helmet vent airflow regulator and shield Jan. 11, 2011
7661151 Hair and scalp parasite eradication Feb. 16, 2010
6932150 Heat-dissipation device Aug. 23, 2005
6875437 Hair protection bag with a fastening opening and a method for using the same Apr. 5, 2005
6345395 Sports hat Feb. 12, 2002
6269489 Hunting hood Aug. 7, 2001
5924139 Cap attachment Jul. 20, 1999
5632047 Cap attachment May. 27, 1997
5509145 Cap with opening having a removable closure Apr. 23, 1996
5170510 Integral motorcyclist helmet provided with means for preventing fogging of the visor thereof Dec. 15, 1992
5091996 Face mask Mar. 3, 1992
5025507 Face mask Jun. 25, 1991
4729132 Sports helmet Mar. 8, 1988
4472837 Head covering for retaining articles Sep. 25, 1984
4104741 Novelty hat device Aug. 8, 1978

  Recently Added Patents
Block polymers and their process of preparation
Content distribution system, mobile communication terminal device, and computer readable medium
Method and apparatus for editing a program on an optical disc
Method, apparatus and article for detection of transponder tagged objects, for example during surgery
Semiconductor thin film, thin film transistor, method for manufacturing same, and manufacturing equipment of semiconductor thin film
Device and method for unified codes
  Randomly Featured Patents
Fine trim adjustment for manually tilted outboard motor
Micro controller development system
Method for generating 2D OVSF codes in multicarrier DS-CDMA systems
Casting sharpened microminiature tips
Semiconductor devices having tensile and/or compressive stress and methods of manufacturing
Process for preparing 1,1,1-trifluoro-2, 2-dichloroethane
Automated positioning method for contouring measurements using a mobile range measurement system
Seamless data network telecommunication service during mobile wireless call handoff
Competitive gaming method and system
Electron beam lithography system