SYSTEM TO DETER EXTERNAL CLIMBING OF OPEN STAIRS

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专利权人:

Murphy Richard B.;Murphy Barbara H.

发明人:

Murphy Richard B.,Murphy Barbara H.

申请号：

US201815884367

公开号：

US2018163417(A1)

申请日:

2018.01.30

申请国别(地区):

美国

年份:

2018

代理人:

摘要：

The present invention provides a guard which is a surface that is adapted for mounting over the open end of the tread of a step of an open stairway such that when associated with a stairway: the exposed area of the OTEP is reduced. The present invention further provides for a retention means to maintain stable association of the guard with the stairway. The present invention further comprises kits comprising one or more guards, one or more retention means and instructions for use.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/