Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: D21/220
Name: Games, toys, and sports goods >
Description:










Sub-classes under this class:

Class Number Class Name Patents
D21/300 Game or gambling article 46
D21/398 Toy 180
D21/662 Exercise equipment 392
D21/698 Sports equipment 55
D21/811 Amusement, playground equipment or entertainment article not elsewhere specified 44
D21/834 Tent 116
D21/900 Backgammon game or gameboard 21


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
System and method for multi-threaded OFDM channel equalizer
Method for forming pattern
Moving structure and micro-mirror device using the same
RFID reader revocation checking using low power attached displays
Method and system for migrating object update messages through synchronous data propagation
Vending machine
Summarization of short comments
  Randomly Featured Patents
Solar cells composed of semiconductive materials
Automatic tape affixing apparatus
Apparatus for locking the iris aperture of a camera
Inrush current limiting circuit and electronic device using the same
Method and system for endpoint detection
Selective renal cannulation and infusion systems and methods
Thin-film dual gate, common channel semiconductor device having a single first gate and a multi-gate second gate structure
Needle for attaching a tag to an infusion bag using an intermediate knotted thread
Systems and methods for communicating messages in wireless networks
Catamenial appliance