US 12,269,642 B2
Bottle for containing liquid
Kyung Il Jung, Seoul (KR); and Youngtack Shim, Seoul (KR)
Assigned to Kyung Hwa Kim, Seoul (KR)
Filed by Kyung Hwa Kim, Seoul (KR)
Filed on Oct. 20, 2022, as Appl. No. 18/048,138.
Application 18/048,138 is a continuation of application No. 14/245,943, filed on Apr. 4, 2014, granted, now 11,498,717.
Application 14/245,943 is a continuation of application No. 13/759,980, filed on Feb. 5, 2013, granted, now 8,714,385, issued on May 6, 2014.
Application 13/759,980 is a continuation of application No. 13/464,158, filed on May 4, 2012, abandoned.
Application 13/464,158 is a continuation in part of application No. 12/741,869, abandoned, previously published as PCT/KR2008/007261, filed on Dec. 9, 2008.
Prior Publication US 2024/0067385 A1, Feb. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 1/02 (2006.01); B65D 23/04 (2006.01)
CPC B65D 1/0223 (2013.01) [B65D 1/0207 (2013.01); B65D 1/023 (2013.01); B65D 1/0292 (2013.01); B65D 23/04 (2013.01); B65D 2501/0045 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A single-piece bottle comprising:
a body portion, a cap-engaging portion and a neck;
the cap-engaging portion defining an opening of the bottle and configured to engage with a bottle cap, said cap-engaging portion extending from an outer surface thereof;
the neck comprising a top end and a bottom end, the top end of the neck being adjacent the cap-engaging portion closer to a bottle top end than a bottle bottom end;
the neck further comprising an inner surface that defines a channel between the top end and the bottom end;
the body portion extending from the bottom end of the neck and comprising a body inner surface that defines a liquid-containing space therein; and
at least one inwardly-protruded spiral guide formed on the inner surface of the neck and configured to guide at least part of a liquid to spirally flow through the channel when discharging liquid from the liquid-containing space, wherein the at least one inwardly-protruded spiral guide generally spirally extends about a central axis of the bottle that passes through the channel and the liquid-containing space;
wherein the at least one inwardly-protruded spiral guide extends circumferentially about the central axis about 180° or more.