Patent ID: 8790193

Claim:
A golf club head comprising: a body portion having a body toe portion, a body heel portion, a body top rail portion and a body sole portion; a club face on the body portion between the body toe portion and the body heel portion and between the body top rail portion and the body sole portion; and a plurality of grooves disposed on the club face, each groove comprising a groove heel portion proximate to the body heel portion and extending toward the body toe portion; a groove toe portion proximate to the body toe portion and extending toward the body heel portion, and a groove center portion extending between the groove heel portion and the groove toe portion and including a deepest part of the groove, the groove center portion of each groove having a length extending in a direction from the heel portion to the toe portion; wherein a depth of each groove increases from the groove heel portion to the deepest part of the groove; wherein a depth of each groove increases from the groove toe portion to the deepest part of the groove; wherein depths of the grooves increase in a direction from the body top rail portion to a generally central region on the club face between the body toe portion, the body heel portion, the body top rail portion and the body sole portion; wherein depths of the grooves increase in a direction from the body sole portion to the central region; wherein the lengths of the groove center portions of at least two grooves of the plurality of grooves located between the body top rail and the central region increase in a direction from the body top rail to the central region; and wherein the lengths of the groove center portions of at least two grooves of the plurality of grooves located between the body sole portion and the central region increase in a direction from the body sole portion to the central region.