发明名称 Method of playing golf
摘要 A method of playing golf including the steps of: obtaining a golf ball having a first state wherein the golf ball has a first performance characteristic and a second state resulting from immersion of the golf ball in water for a time period greater than two days and less than one hundred eighty days in which the golf ball has a second performance characteristic that is different than the first performance characteristic; striking the golf ball into an accumulation of water using a golf club; and allowing the golf ball to remain immersed in the accumulation of water for more than two days so that the golf ball is caused by the water to be changed from the first state into the second state in a time period less than one hundred eighty days.
申请公布号 US2004242345(A1) 申请公布日期 2004.12.02
申请号 US20040806653 申请日期 2004.03.23
申请人 EMALFARB BRADLEY 发明人 EMALFARB BRADLEY
分类号 A63B37/00;(IPC1-7):A63B37/04 主分类号 A63B37/00
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