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 B65D-041/37 |
미국특허분류(USC) | 220/270 ; 220/904 ; 229/7R ; 229/43 |
출원번호 | US-0155842 (1980-06-02) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 36 인용 특허 : 2 |
A disposable lid for a disposable paper cup. The lid has a groove on its under side to be fitted over the rim of the cup and the lid additionally includes a pair of radially extending scored lines converging toward each other which terminate in lines cut completely through the lid that intersect at a point to provide for pushing the lid material inward to admit a drinking straw. A pie-shaped piece of lid material enclosed by the scored lines can be torn and lifted out to provide an opening from which a person can drink the contents of the cup.
A drinking cup lid that can be fitted over the rim of a drinking cup comprising, a circular shaped lid, means on said lid to attach said lid to a container, a pair of generally radially extending scored lines starting in scored first segments at the peripheral edge of the lid and extending inwardly and converging toward each other, defining generally a pie-shaped piece and terminating adjacent the center of said lid in a second line defining an arc of a circle said second segment being completely cut through said lid connecting said lines together, said ...