US 9,808,682 B2
Golf club head with a compression-molded, thin-walled aft-body
Brandon D. DeMille, Carlsbad, CA (US); Bradley C. Rice, Carlsbad, CA (US); and Steven M. Ehlers, Poway, CA (US)
Assigned to Callaway Golf Company, Carlsbad, CA (US)
Filed by CALLAWAY GOLF COMPANY, Carlsbad, CA (US)
Filed on Nov. 17, 2016, as Appl. No. 15/354,720.
Application 15/354,720 is a continuation of application No. 14/754,215, filed on Jun. 29, 2015, granted, now 9,526,955.
Application 14/754,215 is a continuation of application No. 14/681,909, filed on Apr. 8, 2015, granted, now 9,504,883, issued on Nov. 29, 2016.
Application 14/681,909 is a continuation of application No. 13/912,994, filed on Jun. 7, 2013, granted, now 9,033,822, issued on May 19, 2015.
Application 13/912,994 is a continuation in part of application No. 12/939,477, filed on Nov. 4, 2010, granted, now 8,460,123, issued on Jun. 11, 2013.
Application 12/939,477 is a continuation in part of application No. 12/886,773, filed on Sep. 21, 2010, granted, now 8,529,370, issued on Sep. 10, 2013.
Application 12/886,773 is a continuation in part of application No. 12/876,397, filed on Sep. 7, 2010, granted, now 8,425,349, issued on Apr. 13, 2013.
Claims priority of provisional application 61/245,583, filed on Sep. 24, 2009.
Claims priority of provisional application 61/242,469, filed on Sep. 15, 2009.
Prior Publication US 2017/0087426 A1, Mar. 30, 2017
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01)
CPC A63B 53/0466 (2013.01) [A63B 2053/0408 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A golf club head comprising at least one part,
wherein the at least one part comprises a first molding compound,
wherein the first molding compound comprises a matrix material, a plurality of carbon fibers having a length of less than 0.25 inch, and at least one of a plurality of carbon nanotubes and a plurality of carbon graphene platelets,
wherein the carbon fibers are randomly oriented within the matrix material, and
wherein the golf club head has a coefficient of restitution of 0.81 to 0.84.