US 12,268,338 B2
Cocktail shaker
William J. Mayer, Key West, FL (US)
Filed by William J. Mayer, Key West, FL (US)
Filed on May 31, 2023, as Appl. No. 18/203,958.
Claims priority of provisional application 63/347,224, filed on May 31, 2022.
Prior Publication US 2023/0380634 A1, Nov. 30, 2023
Int. Cl. A47J 43/27 (2006.01)
CPC A47J 43/27 (2013.01) 17 Claims
OG exemplary drawing
 
1. A cocktail shaker comprising:
a first shaker cup having a sidewall including a rim defining an opening at an upper end of the first shaker cup opposite a bottom end of the first shaker cup; and
a second shaker cup having an internal volume less than the first shaker cup and a sidewall including a rim defining an opening at an upper end of the second shaker cup opposite a bottom end of the second shaker cup, wherein the opening of the second shaker cup has a diameter that is less than a diameter of the opening of the first shaker cup,
wherein the second shaker cup further includes a plurality of collapsible sections and each collapsible section is independently collapsible to adjust the internal volume of the second shaker cup.