|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/713 ; 220/714 ; 220/718 ; 222/485 ; 222/490|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 66 인용 특허 : 5|
A spill-proof covered drinking container has an annular protruding drinking spout that provides a relatively large number of separate drinking ports around the spout circumference. An annular suction-responsive valve means is located within the drinking spout for controlling outflow of liquid through the drinking ports, such that liquid flow is confined to the port, or ports, in physical contact with the user's mouth. The user can drink from any point around the spout circumference.
[ What is claimed:] [1.] A spill-proof drinking container comprising:a container body and an openable cover closing said container body;said cover having a circular plan configuration centered on a central cover axis;said cover comprising a central disk area and a hollow annular drinking spout surrounding said disk area;said annular drinking spout having a hollow "V" cross-section that includes two rigid annular convergent walls and an interconnecting annular bridge wall having a convexly curved outer surface, and plural drinking ports extending through ...