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-0429405 (1989-10-31) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 6 |
A portable directory and note pad tray with several features. A first feature is a directory with a cover movable between open and closed positions that activates a light bulb circuit for lighting the directory cards when the cover is opened and deactivates the circuit for turning out the light bulb
A portable directory comprising: a directory case with a series of directory cards, one of a slide track and a slide plate fixed to the underside of said directory case, said plate being slidably received in said track and slidably removed from said track as desired so as to connect and disconnect s
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