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-0156988 (1988-02-18) |
우선권정보 | CA-0530215 (1987-02-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 42 인용 특허 : 2 |
A drain assembly is disclosed having a drain insert member with a tube portion carrying at its upper end a flange which extends radially outwardly. A clamp ring member is adapted to overlie and be clamped onto the flange member. The flange has a plurality of post members which extend upwardly from t
A roof drain assembly comprising: a drain insert member having a tube portion with flange means extending outwardly about an upper opening of the tube portion, removable clamp ring means overlying the flange means, post means on the flange means extending upwardly from an upper surface of the flange
※ AI-Helper는 부적절한 답변을 할 수 있습니다.