Patent ID: 8714385

Claim:
A bottle for containing liquid, the bottle comprising: a glass body comprising a cap-engaging portion, an outwardly-protruded rim portion, and a liquid containing portion; the cap-engaging portion defining an opening of the bottle and configured to engage with a bottle cap; the outwardly-protruding rim interposed between the cap-engaging portion and the liquid containing portion; the liquid containing portion comprising an upper portion and a lower portion, which together define a liquid-containing space therein; the upper portion comprising an upper end, a lower end and an upper inside surface, the upper end abutting the outwardly-protruded rim portion, the lower end abutting the lower portion; and the upper portion further comprising at least one inwardly-protruded spiral guide provided on the upper inside surface, the at least one inwardly-protruded spiral guide generally spirally extending from the upper end to the lower end and configured to guide therealong a flow of liquid toward the cap engaging portion when the bottle is tilted.