|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/82 ; 10/469 ; 10/474 ; 10/477|
|발명자 / 주소|
|인용정보||피인용 횟수 : 20 인용 특허 : 5|
A filter unit for making coffee, tea or other beverages consists of a filter pouch and a rod for suspending the pouch in a cup or similar container. The pouch has a water permeable bag portion in which ground coffee, tea or other beverage flavoring can be placed, and a mouth portion into which liquid can be poured to filter through the flavoring and through the permeable bag portion into the cup. The mouth portion is stiffer than the bag portion, being reinforced by folding the water permeable material of the pouch onto itself, and holes are pierced thro...
A filter unit that can be suspended in a cup, comprising a water permeable pouch for retention of ground coffee, tea or other beverage flavoring, the pouch when empty lying flat and having a bottom fold line and opposite side edges which diverge upwardly to a mouth portion of the pouch, the divergent edges being adapted, when the pouch is lowered into the cup, to engage opposite sides of the cup thereby to urge the mouth portion to open, and a rod insertable through the pouch transversely across its mouth portion midway between said side edges substantia...