发明名称 CRAWL SPACE ACCESS DEVICE
摘要 A crawl space access device (10) is capable of being placed in a below grade level crawl space entry pit, and mating with the below grade opening in a building wall (4). The crawl space access device includes a body member (12) having a base portion (22) restable on a horizontal surface of the pit. A side wall portion (24) extends generally perpendicular to the base portion (22). The side wall portion (24) includes a side wall opening (29) matable with the below grade opening.
申请公布号 WO2008039804(A2) 申请公布日期 2008.04.03
申请号 WO2007US79464 申请日期 2007.09.25
申请人 TURTL ENTERPRISES, LLC;SKAGGS, ALBERT 发明人 SKAGGS, ALBERT
分类号 E06B5/02 主分类号 E06B5/02
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