Surface drainage culvert
Modular drain system
Slotted drainage grate with support
Sidewall extension for drain channel system and method for extending the continuous slope of a drainage channel system
Swimming pool drain
Chemical safety conduit or trench
ApplicationNo. 934485 filed on 09/19/1997
US Classes:405/41, Riser or standpipe outlet or intake404/2, DRAIN OR GUTTER405/36, DRAINAGE OR IRRIGATION405/43Porous or apertured pipe, flume, or tileway
ExaminersPrimary: Melius, Terry Lee
Assistant: Hartmann, Gary S.
Attorney, Agent or Firm
International ClassesE02B 011/00
AbstractBelow ground drain and conduit member to receive surface water. The member comprises two (2) extruded plastic assemblies that are joined together to form one (1) unit. This unit assembly is attached to a plastic carrier pipe, in a longitudinal fashion. The unit assembly is attached to the carrier pipe by a chemical welding process or other means.