|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/712 ; 220/711 ; 220/713 ; 220/254|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 97 인용 특허 : 0|
A thin, plastic lid for disposable drinking cups has a drinking opening formed in a raised portion of the lid. The drinking opening is covered by a hinged closure member that is locked in place by trapping an outer marginal edge of the closure member between the cup rim and the periphery of the lid. The lid may be formed by conventional vacuum forming and die cutting operations.
A lid for an open-mouthed drinking cup of the type having a rim portion about the mouth thereof, said lid comprising: a cover portion for covering the open mouth of a drinking cup; an annular cavity at the periphery of the cover portion in the form of an inverted U-shaped well having an upper closed end and a pair of depending spaced-apart inner and outer walls joined to the closed end, said spaced-apart walls serving to frictionally engage the rim portion of a drinking cup; the inner wall of said U-shaped well being interrupted along a discrete arcuate ...