|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||210/238 ; 210/474 ; 210/478 ; 210/479 ; 99/295 ; 24/020R ; 24/020S|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 31 인용 특허 : 9|
The present invention relates to filters for coffee, tea, hot chocolate etc., in which a filter is placed in a cylindrical container and whatever is to be filtered is placed in the filter that has been placed in the cylindrical container. Thereafter, either hot or ice cold water, in the case of iced tea, is poured into the cylindrical container over that which is to be filtered. In more cases than not, the filter collapses, especially in the case of coffee and tea, the result is that coffee grinds and tea leaves eventually get into the coffee cup or tea ...
[ What I claim is:] [1.] An open ended filter shape retention ring having opposing free ends thereof spaced from each other comprising: a narrow strip shaped compressible open ring capable of returning to its original shape, and said narrow strip shaped compressible open ring having a main ring section and opposed end sections, each opposed end section being bifurcated to form a first portion which defines a cantilevered, inwardly directed, continuously curved finger hold which curves back toward the main ring section and has a terminal end spaced from s...