Patent · US Expired

Inside protector for bottom wall portion of underground tank beneath fill tube

US4562935A · kind A · utility

0Cited by
14References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 10, 1984
Grant dateJan 7, 1986
Priority date—
Expiry dateSep 10, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D90/48
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A cage-like protector lowerable down a fill tube of an underground tank to protect the bottom wall thereof from damage by a dropped dipstick.

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