Games using tangible projectile – Golf – Ball
Reexamination Certificate
2008-01-22
2008-01-22
Trimiew, Raeann (Department: 3711)
Games using tangible projectile
Golf
Ball
Reexamination Certificate
active
11647411
ABSTRACT:
Golf ball2has three or more different kinds of dimples8. The total number of the dimples8is 300 or more. A ratio Pn of the number of the dimples8with a diameter of equal to or greater than 3.40 mm to the total number is equal to or greater than 90%. The golf ball2meet the following formulae (I) and (II).in-line-formulae description="In-line Formulae" end="lead"?NL−NH≧0 (I)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?NL>NHm≧NHp (II)in-line-formulae description="In-line Formulae" end="tail"?NL represents the number of kinds of the dimples being located in a low latitude region ZL and having a diameter of equal to or greater than 3.40 mm, NH represents the number of kinds of the dimples being located in a high latitude region ZH and having a diameter of equal to or greater than 3.40 mm, NHm represents the number of kinds of the dimples being located in a middle latitude region ZHm and having a diameter of equal to or greater than 3.40 mm and NHp represents the number of kinds of the dimples being located in a polar region ZHp and having a diameter of equal to or greater than 3.40 mm.
REFERENCES:
patent: 4744564 (1988-05-01), Yamada
patent: 5072945 (1991-12-01), Oka et al.
patent: 5090705 (1992-02-01), Oka et al.
patent: 5156404 (1992-10-01), Oka et al.
patent: 6066055 (2000-05-01), Nishino
Birch, Stewart, Kolasch & Birch, LLLP
SRI Soprts Limited
Trimiew Raeann
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