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) | B65D-041/26 B65D-047/04 |
미국특허분류(USC) | 220/254 ; 220/904 ; 220/367 ; 222/508 |
출원번호 | US-0459412 (1983-01-20) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 95 인용 특허 : 9 |
Drinking cover for a beverage container comprising a circular top wall and annular side wall with sealing means on the bottom periphery of the side wall for securing the cover to the upper rim of a beverage container. The top wall is tapered downwardly from front to back and contains an opening. A sealing flap underlies the opening and is attached to the bottom surface of the top wall so that the flap is movable from a closed position to an open position with respect to the opening.
Cover for a beverage container having an annular upper rim, said cover comprising: (a) a circular top wall having a peripheral edge, said edge having a front portion and an opposite rear portion, said top wall having an opening which is near the front portion of said edge and spaced from said edge, (b) an annular side wall which extends downwardly from said edge, the top of said side wall gradually tapering downwardly from said front portion to said rear portion so that the top wall gradually tapers downwardly from said front portion to said rear portion...