|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/714 ; 137/5124 ; 137/588 ; 215/114|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 110 인용 특허 : 0|
A drinking cup has a cover which is formed with a drinking spout at one side and a vent at the other. Elements extend down from under the spout and the vent. A flow control element is provided and made of elastomeric material having a pair of spaced cavities on one side, each cavity having a floor at the bottom thereof. The cavities receive in frictional engagement respectively the lower ends of the elements. This engagement supports the flow control element with the floor of each cavity in sealed relation to its element. Each floor has a passage which i...
A drinking cup comprising: a cup-shaped container having a removable leakproof cover, the cover comprising a top wall having at one side an upwardly extending drinking spout and spaced therefrom a vent, the top wall being formed on its underside with a pair of spaced elements, one of the pair of spaced elements communicating with and extending downward from under the spout and the other of the pair of elements communicating with and extending downward from the vent; and a flow control element comprising a flat piece of flexible elastomeric material havin...