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-001/36 A45C-011/20 |
미국특허분류(USC) | 220/238 ; 206/541 ; 206/545 ; 220/20 |
출원번호 | US-0431152 (1974-01-07) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 31 인용 특허 : 0 |
A tray assembly for the delivery and service of foods, such assembly including base and cover sections having a plurality of opposing recesses for enclosing a number of dishes, cups, and other utensils needed for a complete meal service. Proper vertical alignment of the two sections as they are fitted together is facilitated by corresponding lateral indentations in the side walls of both parts which serve in manual guiding of the cover into position upon the base, and by arcuate shoulders spaced circumferentially about a generally central recess in one o...
A food server combination comprising separable tray and cover sections; said tray and cover sections each having planar body portions and having front, rear, and side walls; said planar body portion of said tray section having a plurality of upwardly-opening recesses for receiving dishes, cups, and the like; one of said recesses being generally centrally disposed intermediate the side walls of said tray section; said planar body portion of said cover section having a plurality of downwardly-opening recesses complementing the recesses of said tray section...