최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0138712 (1993-10-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A file rack has been devised for placement on a table or other level surface to support flat materials, such as, file folders in a generally upright position but in staggered relation so as to be readily identifiable, the file rack consisting of an elongated bed having an end wall across one end and
A file rack in combination with a plurality of generally rectangular file folders, each of said folders having a front side and a back side joined together along a common bottom edge, comprising: an elongated bed having a pair of upwardly divergent sidewalls each having a generally flat surface and
※ AI-Helper는 부적절한 답변을 할 수 있습니다.