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Golfing target and golf ball spin detecting apparatus

  • US 3,364,751 A
  • Filed: 07/08/1965
  • Issued: 01/23/1968
  • Est. Priority Date: 07/08/1965
  • Status: Expired due to Term
First Claim
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1. A GOLF GAME APPARATUS HAVING IN COMBINATION:

  • A TEE FOR A GOLF BALL;

    A TARGET AGAINST WHICH A BALL STRIKES AND REBOUNDS WHEN DRIVE FROM SAID TEE, HAVING A SURFACE WHICH FORMS A PORTION OF AN ELLIPSOIDAL SHELL, SAID ELLIPSOIDAL SHELL HAVING A FIRST AND A SECOND FOCUS POINT, SAID SECOND FOCUS POINT BEING LOCATED AT A DISTANCE FROM SAID FIRST FOCUS POINT;

    SAID TEE BEING LOCATED AT OR NEAR SAID FIRST FOCUS POINT;

    A RECEIVER FOR A BALL REBOUNDING FROM SAID TARGET, HAVING A SURFACE ADJACENT SAID SECOND

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