|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||206/520 ; 229/15 ; B|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 41 인용 특허 : 0|
An expendable thin walled cup for liquids and the like is disclosed having a configuration which facilitates improved removal from the forming mold, insures more uniform wall thickness and prevents telescoping of the spacing means of a plurality of the cups when stacked in nested relation.
A thin walled cup including a peripheral side wall open at its upper end and closed at its lower end by a bottom floor, said peripheral side wall having an upper tapered wall portion and a right-cylindrical wall portion terminating at its lower edge in said bottom floor, said peripheral side wall defining an internal stop-shoulder means between said tapered and right-cylindrical wall portions and defining external lower margin means at said lower edge of said right-cylindrical wall portion, said internal stop-shoulder means being adapted to support the l...