Patent · US Expired

Drum-top drainfield funnel

US5577539A · kind A · utility

19Cited by
15References
21Claims
0Family size

Inventors

Key dates

Filing dateNov 18, 1994
Grant dateNov 26, 1996
Priority date
Expiry dateNov 18, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB67C11/02
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A drainfield funnel suitable for use with either 55 gallon or 30 gallon drums, the funnel comprising a bottom having two drum rim receiving channels, one sized to correspond to a 55 gallon drum and the other sized to correspond to a 30 gallon drum, a perimeter lip, a funnel surface sloping to a spout and a generally horizontal drainfield surface formed by a number of discrete object support members, where preferably the linear openings between the object support members are relatively limited.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.