|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/206 ; 220/904 ; 220/306 ; 222/511|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 64 인용 특허 : 1|
A frusto-conical drinking cup which is open at the top and a lid which is removably attached thereto by a “snap”connection. The lid comprises a top wall and an annular skirt depending therefrom. This lid is of a flexible plastic having the property of elasticity to a high degree. It is formed with a slit in close proximity to its periphery and cut on the bias to provide a drinking opening when the lid material is depressed. It is also formed with a straight slit at a site diametrically opposite to the drinking opening and spaced inwardly from the periphe...
In a disposable drinking cup with a valved, circular lid including a frusto-conical cup having an open top and of a good heat-insulating material, said lid comprising a top wall having a periphery with a skirt depending therefrom, said lid being detachably mounted on said open top by a snap connection including an annular groove in the lid immediately adjacent to the periphery of the lid, said lid being of a flexible elastic plastic having heat-insulating properties, the improvement to the lid comprising: (a) a first arcuate slit, the concave side of sai...