Game projectiles for aerial flight

Claim 1

AN AERODYNAMIC GAME PROJECTILE FOR STABLE FLIGHT IN PROJECTION THROUGH THE ATMOSPHERE ABOVE THE SURFACE OF THE GROUND AND ADAPTED FOR USE IN THROWING AND BATTING GAMES; SAID PROJECTILE COMPRISING A SOLID BODY OF RESILIENT POROUS MATERIAL HAVING AT ONE SIDE A FLAT SURFACE BOUNDED BY A CIRCLE, AND AT THE OTHER SIDE A CONTINUOUS SMOOTH CONVEX, CURVED SURFACE, SAID CURVED SURFACE BEING A SURFACE OF REVOLUTION FORMED BY REVOLVING ABOUT AN AXIS DISPOSED CENTRALLY OF AND PERPENDICULAR TO SAID FLAT SURFACE, A CURVED LINE TERMINATING AT SAID AXIS AND AT SAID CIRCLE; THE DIAMETER OF SAID CIRCLE BEING APPROXIMATELY AT MAXIMUM DIAMETER OF SAID SURFACE OF REVOLUTION; AND A CONTINUOUS SKIN OF NON-POROUS MATERIAL COVERING BOTH SAID FLAT AND CURVED SURFACES, SAID PROJECTILE BEING OF A SIZE TO BE READILY GRIPPED BY ONE HAND FOR THROWING, WITH THE FIRST FINGER AND THUMB OF THE THROWING HAND PARTIALLY ENCIRCLING THE SAME, AND WITH SAID FLAT SURFACE DISPOSED TOWARD AND SUBSTANTIALLY PARALLEL WITH THE GROUND, WHEREBY, WHEN THROWN, THE PROJECTILE TENDS TO SPIN AND GLIDE, WHILE TENDING TO MAINTAIN ITS ORIGINAL ATTITUDE RELATIVE TO THE GROUND.