검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A47J-031/00 A47J-031/04 A47J-031/24 A47J-031/42 |
미국특허분류(USC) | 99/285 ; ; 99/289 ; R ; ; 99/295 ; ; 99/299 |
출원번호 | US-0703996 (1996-08-28) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 22 인용 특허 : 10 |
An apparatus for making tea which includes a tea cup having two stepped flow guide ribs raised from the inside wall and two swivel locking plates pivoted to the flow guide ribs, an infusion container supported on steps on the stepped flow guide ribs and retained in place by the swivel locking plates and having a bottom drain hole, a filter mounted inside the infusion container and covered over the drain hole and having an axle housing at the center, a ball forced by a return spring into engagement with the drain hole to stop its passage, a pull rod slidi...
An apparatus for making tea, comprising: a tea cup, said tea cup comprising two longitudinal flow guide ribs raised from an inside wall thereof, each of said longitudinal flow guide ribs having a step in the middle, an upright top pin at the top, and a swivel locking plate turned about said upright top pin; an infusion container supported on the steps of said longitudinal flow guide ribs inside said tea cup and locked in place by said swivel locking plates, said infusion container comprising a drain hole at the center of a bottom wall thereof, a pluralit...