- 专利标题： System to deter external climbing of open stairs
-
申请号： US15884367申请日： 2018-01-30
-
公开(公告)号： US10030396B2公开(公告)日： 2018-07-24
- 发明人: Richard B. Murphy , Barbara H. Murphy
- 申请人： Richard B. Murphy , Barbara H. Murphy
- 代理商 Richard B. Murphy; Barbara H. Murphy
- 主分类号： E04G21/30
- IPC分类号： E04G21/30 ; E04F11/18 ; E04F19/00 ; E04F11/16 ; E04B1/72 ; A01M29/30 ; E04F11/02
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.
公开/授权文献
- US20180163417A1 SYSTEM TO DETER EXTERNAL CLIMBING OF OPEN STAIRS 公开/授权日：2018-06-14
信息查询
