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-0550132 (1983-11-09) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 42 인용 특허 : 0 |
The present invention relates to an improved collapsible plastic tree and in particular to one comprising a plastic trunk having a plurality of holes, a plurality of collars disposed on the plastic trunk, a plurality of ribs movably mounted on the collars, and a plurality of plastic branches each fi
An improved collapsible plastic tree comprising: a plastic trunk in the form of a cylindrical tube; a plurality of collars each having a number of curved plates mounted to said trunk, each of said curved plates being formed with two flat portions each joined to a flat portion of another one of said
※ AI-Helper는 부적절한 답변을 할 수 있습니다.