发明名称 Bird feeder
摘要 A bird feeder having a feeder bowl supported by a post and having a tubular member located spacedly around the post and extending a sufficient distance below the feeder bowl to prevent a squirrel or like ground animal from reaching the feeder bowl. The side wall of the tubular member is spaced a sufficient distance away from the post to prevent a squirrel or like ground animal from reaching the tubular member from the post to continue climbing to reach the food.
申请公布号 US5291855(A) 申请公布日期 1994.03.08
申请号 US19920944410 申请日期 1992.09.14
申请人 LAVERTY, RALPH E. 发明人 LAVERTY, RALPH E.
分类号 A01K39/01;(IPC1-7):A01K39/00 主分类号 A01K39/01
代理机构 代理人
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