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Wood-type golf club heads provided with vertical grooves on hitting surface

  • US 6,309,310 B1
  • Filed: 02/03/2000
  • Issued: 10/30/2001
  • Est. Priority Date: 02/03/2000
  • Status: Expired due to Fees
First Claim
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1. A golf club head comprising a wood type club head body provided with a ball hitting surface having a toe portion and a heel portion, an upper surface, and a lower surface;

  • said ball hitting surface having spaced vertical grooves covering at least the toe and the heel portions;

    said spaced vertical grooves extending substantially from adjacent said lower surface to adjacent said upper surface, whereby the spaced vertical grooves provide friction for imparting side spin to a ball struck on the heel or toe portions to enhance the gear effect of the club body when said heel or toe portions are subjected to wet weather conditions.

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