Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: D21/18
Name: Games, toys, and sports goods >

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
Analog-to-digital converter with input voltage biasing DC level of resonant oscillator
Drive coil, measurement probe comprising the drive coil and methods utilizing the measurement probe
Permutational memory cells
Method and system for migrating object update messages through synchronous data propagation
Method and system for blocking hazardous information
Electronic device, communication control method of electronic device, and information terminal device
Data distribution apparatus, data distribution method, and distribution control program
  Randomly Featured Patents
Pinion gear carrier assembly for a stored energy circuit breaker operator assembly
Marine propeller fish line and weed cutter
Color CRT-yoke combination having conforming corrective magnetic field means attached to the CRT
Method for attaching cutting tips to cutting tools
Anticaking agent for inorganic salts
Mounting arrangement for motorcycle stereo system
Vehicle seat unit
System and method for modifying symbol duration for the efficient transmission of information in a time duplex noise environment
Method for preparing hard polyurethane and polyisocyanurate foams using chloropropane blowing agent and non-silicon foam stabilizer
Toilet bowl light