US 11,813,508 B2
Multi-component putter
David A. Higdon, Cave Creek, AZ (US); Jacob T. Clarke, Apex, NC (US); Anthony D. Serrano, Phoenix, AZ (US); and Murphy R. Alexander, Scottsdale, AZ (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Dec. 22, 2021, as Appl. No. 17/645,668.
Application 17/645,668 is a continuation in part of application No. 17/444,468, filed on Aug. 4, 2021.
Application 17/444,468 is a continuation of application No. 17/243,338, filed on Apr. 28, 2021, granted, now 11,458,375.
Application 17/243,338 is a continuation in part of application No. 29/720,679, filed on Jan. 15, 2020, granted, now D930097, issued on Sep. 7, 2021.
Application 29/720,679 is a continuation of application No. 16/590,270, filed on Oct. 1, 2019, granted, now 11,020,640, issued on Jun. 1, 2021.
Claims priority of provisional application 63/260,612, filed on Aug. 26, 2021.
Claims priority of provisional application 63/203,257, filed on Jul. 14, 2021.
Claims priority of provisional application 63/190,691, filed on May 19, 2021.
Claims priority of provisional application 63/130,312, filed on Dec. 23, 2020.
Claims priority of provisional application 62/739,747, filed on Oct. 1, 2018.
Prior Publication US 2022/0161108 A1, May 26, 2022
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); A63B 2209/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A putter-type golf club head comprising:
a toe end, a heel end, a strike face, a rear end, a crown, a sole, an upper portion, and a lower portion, wherein:
the upper portion comprises a forward portion and a rearward extension, wherein the forward portion comprises the strike face, and the rearward extension extends rearward from the forward portion towards the rear end;
the upper portion defines a central recess that is recessed into the upper portion via a recess floor and a circumferential recess wall;
the upper portion further comprises an alignment aid, wherein the alignment aid comprises:
a ball-outlining feature that circumscribes the central recess, and comprises one or more arcuate portions and a set of parallel lines, wherein the one or more arcuate portions are located near the strike face, or the rear end, the set of parallel lines extend from the strike face to the rear end, and the ball-outlining feature comprises a first color;
a central line situated on the recess floor, wherein the central line is located within the ball-outlining feature, and the central line comprises a second color;
a plurality of grooves recessed into the recess floor on either side of the central line;
the lower portion comprises a central portion, a toe mass, and a heel mass;
the lower portion is configured to receive the upper portion such that the rearward extension is situated above the central portion and between the toe mass and the heel mass; and
the upper portion comprises a first material having a first density and the lower portion comprises a second material having a second density, the first density is less than the second density.