专利名称:Safety door for classrooms and the like发明人:Lois A. Lopez申请号:US13870633申请日:20130425公开号:US08850949B1公开日:20141007
专利附图:
摘要:A door safety shield that completely overlies a door having a frame and adoorknob, replaceabley and slidably attaches to the frame of the door and not the doorso as to eliminate damage to the door, and prevents unauthorized opening of the door.The door safety shield includes a sheet and bolt assemblies. The sheet completely
overlies the door. The bolt assemblies are affixed to the sheet, replaceabley and slidablyattach to the frame of the door and not the door so as to eliminate the damage to thedoor, and prevent the unauthorized opening of the door.
申请人:Lois A. Lopez
地址:San Jose CA US
国籍:US
代理人:Richard L Miller
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