Invention Grant
- Patent Title: Universal secondary safety system including a riser and screen
- Patent Title (中): 通用二级安全系统,包括立管和屏幕
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Application No.: US14532441Application Date: 2014-11-04
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Publication No.: US09435435B2Publication Date: 2016-09-06
- Inventor: Peter W. Gavin
- Applicant: Polylok, Inc.
- Applicant Address: US CT Wallingford
- Assignee: Polylok, Inc.
- Current Assignee: Polylok, Inc.
- Current Assignee Address: US CT Wallingford
- Agency: Murtha Cullina LLP
- Agent Anthony P. Gangemi
- Main IPC: E04B1/00
- IPC: E04B1/00 ; E04H1/00 ; E02B11/00 ; B65D90/54 ; B65D90/10 ; F16J13/06 ; E03F5/00 ; E06B9/00 ; E06B9/01

Abstract:
Systems for providing universally installable secondary safety systems for use, in one embodiment, with a riser for a septic tank are disclosed. In some embodiments, the system includes the following: a riser extending from a system of interest located underground, a retainer ring installed within said riser, and a safety screen to prevent access to the underground system and lower portions of the riser from above.
Public/Granted literature
- US20160122126A1 Universal Secondary Safety System Including A Riser And Screen Public/Granted day:2016-05-05
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