发明名称 Burglar entry stop device
摘要 A burglar entry stop device including a stop component tapered down at a front end and an upright handle to permit convenient placement of the front end of the stop component under the bottom edge of a door and provide additional leverage to prevent a door from being forced open completely from the outside.
申请公布号 US4142752(A) 申请公布日期 1979.03.06
申请号 US19780879332 申请日期 1978.02.21
申请人 CHILTON, JAMES O. 发明人 CHILTON, JAMES O.
分类号 E05C17/54;(IPC1-7):E05C17/54 主分类号 E05C17/54
代理机构 代理人
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