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Class 473/590 - Boomerang


Subclass of Class 473 - Games using tangible projectile
Definition: Subject matter wherein the projectile has an aerodynamic
No. of patents: 42
Last issue date: 10/30/2007


  2  
NumberTitleIssue Date
4203249Flying saucer or throwing disk used in sports games
A disk-shaped throwing implement comprising a central circular part provided with identical wings which are symmetrically distributed around its circumference is disclosed. Each of the wings comprises two sections or areas one of which is substantially pl...
05/20/1980
3955817Toy boomerang
A toy boomerang having a hub and four wings extending therefrom, the wings having downwardly extending lifting surface at wing tips. A rim extends around the boomerang, coupling together the wing tips. A stabilizing axle extends downward from the hub....
05/11/1976
  2  
 
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