|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/714 ; 222/486 ; 222/548|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 37 인용 특허 : 1|
An infant training tumbler includes an upright tubular housing within which is an upright internal web that divides the housing into a pair of longitudinal compartments. Affixed upon the upper end of the housing is a cap that completes a closure of the upper end of that one compartment. Openings in the cap permit the egress of liquid from the cap upon tilting of the housing. The geometrical relationships are such that the compartment is opposite the egress opening so that, upon a dropping of the housing, the openings are in a position that prevents signi...