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-031/10 |
미국특허분류(USC) | 99/295 |
출원번호 | US-0547651 (1983-10-31) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
Upper and lower downwardly and upwardly opening caps are provided and removably telescopingly engageable over the upper and lower ends of an upstanding tubular body. The body includes a mid-height partition having a central drain opening therein and electrical resistance heating structure as disposed within the body for heating liquid therein above the partition. Valve structure is provided for opening and closing the drain opening and one side portion of the body below the partition has an access opening therein. An upwardly opening filter basket is pro...
A drip coffee making kit including upper and lower downwardly and upwardly opening closure caps and an upstanding tubular body over whose upper and lower ends said upper and lower closure caps are removably snugly telescoped and releasably secured to provide a unitary, closed and readily portable assembly, said body including a mid-height partition having a a central opening therein, electrical resistance heating means in said body for heating liquid disposed therein above said partition, valve means for opening and closing said drain opening, one side o...