|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/260; 220/212; 220/520; 220/574; 220/574.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 32 인용 특허 : 87|
A container of sheet plastic reveals when it has been opened after a clerk loaded it with food. The container has a base (12) and lid (14) that remain latched together until they are separated at an initial opening region (40) where the lid has a radially-outward projecting lid tab (44) and the base has a tear-away part (52) with a blocker (60) that blocks access to the lid tab. The blocker surrounds the radially outward edge and opposite sides of the tab. The blocker prevents access to the lid tab to lift it to open the container until the tear-away par...
1. A container having base and lid elements formed of at least one sheet and having a vertical axis, said base and lid elements having latched-together portions that extend by an angle B of more than 180° around said axis and that resist separation until said base and lid elements are separated at an initial opening region that lies at a periphery of said container that is away from said latched-together portions, wherein: at said initial opening region said base and lid elements each has a radially outwardly projecting tab that projects from a surroundi...