The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 1999
Filed:
Jul. 11, 1997
Applicant:
Inventors:
Michael J Sullivan, Chicopee, MA (US);
Mark L Binette, Ludlow, MA (US);
Thomas Kennedy, Wilbraham, MA (US);
Michelle A Bellinger, West Hartford, CT (US);
Assignee:
Lisco, Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473374 ; 473373 ; 473377 ; 473385 ; 473384 ; 526240 ;
Abstract
A golf ball including a core, and a gamma irradiated, ionomeric, dimpled cover having a Shore D hardness of 55 or less as measured on a non-dimpled portion of the cover, the dimples maintaining their shape when the cover is subjected to heat treatment at 160.degree.-180.degree. F. for at least one hour. In making the golf ball, the dimpled cover is subjected to gamma irradiation in a dosage sufficient to increase the vicat softening point in degrees Fahrenheit of the cover by at least 2.5%.