发明名称 Utility box support
摘要 A support for a utility box such as a valve box or the like which includes an annular member having a central opening with an upstanding flange on the upper surface of the annular member adjacent the central opening. The annular member is buried in the ground in underlying supporting engagement with a box so as to prevent sinking of the box into the ground under heavy traffic load, said box provides access to the buried utility the upper end of the box opening into the street.
申请公布号 US4350177(A) 申请公布日期 1982.09.21
申请号 US19800148839 申请日期 1980.05.12
申请人 FIRCHAU, JOHN C.;DONALDSON, MORRIS L. 发明人 FIRCHAU, JOHN C.;DONALDSON, MORRIS L.
分类号 E03F5/02;(IPC1-7):E02D29/10 主分类号 E03F5/02
代理机构 代理人
主权项
地址