U.S. Patents are organized (classified) with a 3 digit class system and a subclass in order to describe every like grouping of patent art. Sometimes an invention may be described with multiple classification codes and subclasses.
U.S. Patents are organized (classified) with a 3 digit class system and a subclass in order to describe every like grouping of patent art. Sometimes an invention may be described with multiple classification codes and subclasses.