US 12,239,891 B2
Golf club head comprising microscopic bubble material
Joshua D. Westrum, San Diego, CA (US); Hong G. Jeon, Seoul (KR); Scott Manwaring, Carlsbad, CA (US); Kenneth E. Meacham, Hemet, CA (US); and Brooks Roche, Ramona, CA (US)
Assigned to Topgolf Callaway Brands Corp., Carlsbad, CA (US)
Filed by Topgolf Callaway Brands Corp., Carlsbad, CA (US)
Filed on Sep. 28, 2023, as Appl. No. 18/374,214.
Application 15/718,285 is a division of application No. 15/665,004, filed on Jul. 31, 2017, granted, now 9,808,685, issued on Nov. 7, 2017.
Application 18/374,214 is a continuation of application No. 17/399,260, filed on Aug. 11, 2021, granted, now 11,771,966.
Application 17/399,260 is a continuation of application No. 16/996,038, filed on Aug. 18, 2020, granted, now 11,090,534, issued on Aug. 17, 2021.
Application 16/996,038 is a continuation of application No. 16/540,917, filed on Aug. 14, 2019, granted, now 10,744,379, issued on Aug. 18, 2020.
Application 16/540,917 is a continuation in part of application No. 16/241,859, filed on Jan. 7, 2019, granted, now 10,653,930, issued on May 19, 2020.
Application 16/241,859 is a continuation of application No. 15/927,917, filed on Mar. 21, 2018, granted, now 10,173,108, issued on Jan. 8, 2019.
Application 15/927,917 is a continuation in part of application No. 15/807,851, filed on Nov. 9, 2017, granted, now 10,052,535, issued on Aug. 21, 2018.
Application 15/807,851 is a continuation in part of application No. 15/718,285, filed on Sep. 28, 2017, granted, now 10,039,964, issued on Aug. 7, 2018.
Claims priority of provisional application 62/457,086, filed on Feb. 9, 2017.
Prior Publication US 2024/0017136 A1, Jan. 18, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); A63B 60/00 (2015.01)
CPC A63B 53/0475 (2013.01) [A63B 60/00 (2015.10); A63B 60/002 (2020.08); A63B 2209/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a body comprising a striking face with a rear surface, a sole portion, a top portion, a rear portion, and a cavity; and
a layer covering at least a portion of the rear surface, the layer comprising a first material and a plurality of microscopic bubbles composed of a second material, wherein each bubble of the plurality of microscopic bubbles has a diameter of approximately 18-50 microns.