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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0296226 (1994-08-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A tool for cleaning debris from swimming pools includes a frame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped cross-section. The web portion of the cross-s
In a tool for cleaning debris from swimming pools, the combination of: frame means forming a mouth portion, said frame means including a substantially flat forward surface which is the leading surface of said frame means and being oriented at an angle to form said mouth portion as said frame means i
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