发明名称 Bobber lifting device
摘要 An ice fishing device including an upstanding tube and a base for support on an ice surface. A fishing bobber is floatably suspended within the tube upon an elevated column of water held by vacuum to facilitate visual observation of the bobber.
申请公布号 US4667432(A) 申请公布日期 1987.05.26
申请号 US19860897596 申请日期 1986.08.18
申请人 TORGRIMSON, DONALD L. 发明人 TORGRIMSON, DONALD L.
分类号 A01K93/00;A01K97/01;A01K97/12;(IPC1-7):A01K93/00 主分类号 A01K93/00
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