发明授权
- 专利标题： Golf ball
- 专利标题（中）： 高尔夫球
-
申请号： US671754申请日： 1976-03-30
-
公开(公告)号： US4090716A公开(公告)日： 1978-05-23
- 发明人: Frank S. Martin , Thaddeus A. Pietraszek
- 申请人： Frank S. Martin , Thaddeus A. Pietraszek
- 申请人地址： NY New York
- 专利权人： Uniroyal, Inc.
- 当前专利权人： Uniroyal, Inc.
- 当前专利权人地址： NY New York
- 主分类号： A63B37/00
- IPC分类号： A63B37/00 ; A63B37/12
摘要：
A golf ball having improved flight characteristics having a spherical surface with 252 depressions therein. 240 of the depressions are in the shape of inverted pyramids with hexagonal bases and 12 of the depressions are in the shape of inverted pyramids with pentagonal bases. The ball has two poles and an equator, and the pentgonal bases serve as the two poles and as the vertices of similar equilateral spherical triangles into which the surface of the ball may be divided.
公开/授权文献
- US5780243A Methods for the quantitative analysis of organic compounds 公开/授权日：1998-07-14
信息查询
