发明名称 PROTECTIVE COVER FOR LADDER ENDS
摘要 The present invention is directed toward a protective cover adapted for covering the end of a ladder leg in order to prevent damage to buildings or other structures when the ladder is in use. In addition, a cover with non-skid properties is disclosed, such that the device can be used to prevent a ladder from slipping against the ground or a structure and causing injury to a user or property.
申请公布号 US2011048854(A1) 申请公布日期 2011.03.03
申请号 US20100862667 申请日期 2010.08.24
申请人 SEBRING CLIFFORD;SEBRING CALVIN C;SEBRING SYLVIA T 发明人 SEBRING CLIFFORD;SEBRING CALVIN C.;SEBRING SYLVIA T.
分类号 E06C7/42;E06C7/46 主分类号 E06C7/42
代理机构 代理人
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