IP Library Granted Patent US 9,539,470
Granted Patent B2
US 9,539,470 · App. 12/358,358 · Granted Jan 10, 2017

Multi-layer golf ball

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Quick Facts
Patent No.
US 9,539,470
App. No.
12/358,358
Granted
Jan 10, 2017
Kind
B2
Abstract

Multi-layer golf balls having a thin, relatively hard outer core layer surrounding a large, relatively soft inner core layer are provided. The inner core layer generally has a diameter of from 1.5 inches to 1.55 inches. The outer core layer generally has an outer diameter of from 1.6 inches to 1.64 inches. A cover is provided to surround the outer core layer. A moisture barrier layer is optionally provided between the outer core layer and the cover.

Claims (4)

1. A golf ball consisting of the following three layers:

an inner core layer having a diameter of from 1.51 inches to 1.58 inches, a compression of 100 or less, a center hardness of from 40 Shore C to 60 Shore C, and an outer surface hardness of from 80 Shore C to 95 Shore C;

an outer core layer formed from a rubber-based composition and having a thickness of from 0.01 inches to 0.06 inches and an outer surface hardness of from 58 Shore D to 70 Shore D; and

a cover layer having a material hardness of from 30 Shore D to 55 Shore D.

Assignments (5)
ASSIGNMENT OF SECURITY INTEREST IN PATENTS (ASSIGNS 039506-0030) Recorded Aug 3, 2022
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS RESIGNING ADMINISTRATIVE AGENT
To: JPMORGAN CHASE BANK, N.A., AS SUCCESSOR ADMINISTRATIVE AGENT
Reel/Frame 061521/0414 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (027346/0222) Recorded Sep 7, 2016
From: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
To: ACUSHNET COMPANY
Reel/Frame 039939/0181 →
SECURITY INTEREST Recorded Jul 28, 2016
From: ACUSHNET COMPANY
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 039506/0030 →
SECURITY AGREEMENT Recorded Dec 8, 2011
From: ACUSHNET COMPANY
To: KOREA DEVELOPMENT BANK, NEW YORK BRANCH
Reel/Frame 027346/0222 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 23, 2009
From: SULLIVAN, MICHAEL J.; LADD, DEREK A.
To: ACUSHNET COMPANY
Reel/Frame 022145/0102 →