发明授权
- 专利标题： Portable door stop with knocker
- 专利标题（中）： 带门环的便携式门挡
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申请号： US13871923申请日： 2013-04-26
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公开(公告)号： US09085923B1公开(公告)日： 2015-07-21
- 发明人: David J. McWhinney
- 申请人： David J. McWhinney
- 代理机构： Plager Schack LLP
- 主分类号： E05C17/54
- IPC分类号： E05C17/54
摘要：
Some embodiments provide a door stopper with knocker apparatus for holding open a door. In some embodiments, the door stopper with knocker apparatus comprises a doorstop, a cord, and a knocker. In some embodiments, the door stopper with knocker apparatus is configured to allow an upright person place the doorstop in a position on the ground to hold the door open.
信息查询
IPC分类:
