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Golf club head with permanent performance indicating indicia

  • US 9,533,202 B2
  • Filed: 07/15/2014
  • Issued: 01/03/2017
  • Est. Priority Date: 07/15/2013
  • Status: Expired due to Fees
First Claim
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1. A golf club head (100) comprising:

  • A) a face (200) having a face center (250) and a center face measured performance variable;

    B) a center face permanent indicia (252) on the face that is indicative of the center face measured performance variable; and

    C) wherein the center face permanent indicia (252) has a center face permanent indicia CIELab L* value, the face (200) outside of the center face permanent indicia (252) has a face CIELab L* value, and the golf club head (100) has a volume and a loft, wherein the difference between the center face permanent indicia CIELab L* value and the face CIELab L* value is related to the volume and the loft by the equation Δ

    L*≦

    (volume)/100×

    (loft).

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