|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/711 ; 220/264 ; 220/367 ; 220/375|
|발명자 / 주소|
|인용정보||피인용 횟수 : 16 인용 특허 : 0|
A non-spillable drinking cup having a perforated cover and an internally and resiliently hinged flap for closing the perforation in the cover. The perforation is located adjacent the periphery of the cup for allowing the upper lip of the user to downwardly bend the flap and drink from the cup. The cover can be alternatively positioned to upwardly abut against a peripheral flange around the opening of the cup to seal the latter when the cup is knocked over. The cover resiliently abuts against the flange to allow partial opening of the cover by a downward ...
A non-spillable drinking cup comprising a tubular container adapted to contain a drinkable liquid, said container having an aperture at its top end, said aperture being provided with an internal peripheral flange, a cover for said container, said cover having a top surface adapted to internally and upwardly abut on said flange for closing said aperture, a stretchable member laterally fixed on said container and on said top surface of said cover for resiliently maintaining said cover against said flange, whereby when said container, containing liquid, is ...