Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 2/171.01
Name: Apparel > Head coverings > Mortarboard or graduation type
Description: Head covering having a flat, rigid, and relatively thin head shielding exterior surface and a head engaging member, the head engaging member being attached to the lowermost vertical surface of the head shielding surface and extending downward therefrom to a position vertically below the head shielding surface.










Patents under this class:

Patent Number Title Of Patent Date Issued
4691390 Sanitary headdress Sep. 8, 1987
4587674 Disposable cap with straps May. 13, 1986
4474194 Hair net strip Oct. 2, 1984
4468815 Bathing cap Sep. 4, 1984
4379349 Sun-out face shield Apr. 12, 1983
4357020 Convertible recreational device Nov. 2, 1982
4138744 Reversible, multi purpose, multi stylable structure Feb. 13, 1979
4109322 Sun shield Aug. 29, 1978











 
 
  Recently Added Patents
Method and system for dynamic digital rights bundling
Sabatier process and apparatus for controlling exothermic reaction
Method and system for electronic distribution of product redemption coupons
Method of estimating remaining constant current/constant voltage charging time
System and apparatus for control of published content
Auto-aligning spectroscopy system
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
  Randomly Featured Patents
Engine and diffuser for use with a needle-less injector
Method for manufacturing a layer of gallium nitride or gallium and aluminum nitride
Microelectromechanical rotary structures
Dock-specific display modes
Allocation of time interval systems and multiplexers provided with one of these allocations of time interval systems
NADH dehydrogenase PDSW subunit
Peeling apparatus and manufacturing apparatus of semiconductor device
Composite foil from which layer areas having metallic luster are transferred onto a base
Gun stock recoil mechanism
Toothbrush