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-043/16 |
미국특허분류(USC) | 220/334 ; 220/908 ; 220/72 |
출원번호 | US-0307615 (1989-02-07) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 54 인용 특허 : 2 |
Disclosed is an improved cover or door for a bin type refuse container. In a preferred two-piece embodiment the invention comprises an upper member and a lower member joined together to form a generally unitary structure. A plurality of water channeling troughs or ribs are formed on the upper surface (upper member) of the cover. A plurality of support ribs are formed on the lower surface (lower member) of the member. In a preferred single piece embodiment, the invention comprises a ribbed, grooved, channeled, or corrugated platform member with lips or fl...
A refuse container cover comprising: an upper member comprising a generally rectangular platform like body having an upper surface and a lower surface, a front edge, a rear edge and two lateral side edges extending between said front and rear edges; a lower member comprising a generally rectangular platform like body having an upper surface a lower surface, a front edge, a rear edge and two lateral side edges extending between said front and rear edges; said upper and lower members being joined in coplanar juxtaposition such that the lower surface of the...