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-041/48 A47G-019/22 |
미국특허분류(USC) | 220/712 ; 220/266 ; 220/276 ; 220/287 |
출원번호 | US-0158454 (1993-11-29) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 77 인용 특허 : 0 |
The present invention is directed at a lid for a cup. The lid comprising a disc having a periphery, a first face and a second face. The disc is corrugated to form a series of concentric, receiving channels having an opening and walls. The receiving channels are spaced apart so that both the first face and the second face can receive a cup wall of varying cup diameter. Additionally, the receiving channels have perforations to facilitate the removal of unused portions of the lid which extend radially outward from the cup wall. The lid has a tab which exten...
A lid for a cup, said lid comprises: a. a disc having a periphery, a first face and a second face, said disc is corrugated to form a series of concentric, receiving channels, each channel having an opening and walls, the openings alternate between said first face and said second face, said receiving channels are spaced apart such that both first face and said second face receive cup walls of varying cup diameter, said disc contains perforations along said receiving channels to facilitate the removal of unused portions of said lid.