US 12,285,662 B2
Multi-component putter
David A. Higdon, Cave Creek, AZ (US); and Jacob T. Clarke, Apex, NC (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Aug. 4, 2021, as Appl. No. 17/444,468.
Application 17/444,468 is a continuation of application No. 17/243,338, filed on Apr. 28, 2021, granted, now 11,458,375.
Application 17/444,468 is a continuation of application No. 29/720,679, filed on Jan. 15, 2020, granted, now D930097, issued on Jun. 1, 2021.
Application 17/243,338 is a continuation of application No. 16/590,270, filed on Oct. 1, 2019.
Claims priority of provisional application 62/739,747, filed on Oct. 1, 2018.
Prior Publication US 2021/0362011 A1, Nov. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01)
CPC A63B 53/0487 (2013.01) [A63B 53/0412 (2020.08); A63B 53/0416 (2020.08); A63B 53/0441 (2020.08)] 13 Claims
OG exemplary drawing
 
1. A putter type golf club head comprising:
an upper portion and a lower portion;
wherein the upper portion is made from a first material having a first density and the lower portion is made from a second material having a second density;
wherein the first density is less than the second density;
wherein the lower portion comprise a toe side periphery, a heel side periphery opposite the toe side periphery, a front edge, and a rear periphery opposite the front edge;
wherein the lower portion further comprises an aperture;
wherein the aperture is bounded by the toe side periphery, heel side periphery, front edge, and rear periphery;
the upper portion is affixed to the lower portion, and is farther from a ground plane than the lower portion;
a volume and a mass;
wherein the lower portion comprises less than 30% of the volume of the putter type golf club head; and
wherein the lower portion comprises greater than 50% of the mass of the putter type golf club head.