发明名称 Tipup device with light transmitting support
摘要 The present invention comprises an improved apparatus for fishing through a hole in the ice. The improvement comprises a light transmitting hole cover through which a portion of the apparatus passes. The hole cover transmits sunlight into the hole to heat it and prevent it from freezing over.
申请公布号 US5133144(A) 申请公布日期 1992.07.28
申请号 US19900576953 申请日期 1990.09.04
申请人 FORMICA, ANTHONY J. 发明人 FORMICA, ANTHONY J.
分类号 A01K97/01 主分类号 A01K97/01
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