Patent ID: 9248961
Filing Date: 2016-02-02
CPC Classification: B65D,Y10T

Claim Text:
1. A security lock for a storage tank, comprising: a lock ring configured for engaging an opening that provides access to said storage tank; a mounting assembly operable to mount said lock ring to said opening; said security lock comprising one or more obstructions disposed within an inside (and/or outside) area of said lock ring, said one or more obstructions defining one or more openings that are sized to allow storage tank contents to be introduced through said security lock while blocking pipes, tubes or other implements that are larger than said openings so that they cannot be used for siphoning or otherwise removing said storage tank contents; said lock ring being generally rectangular; and said lock ring having a pair of long sidewalls and a pair of short sidewalls, a shrouded security fastener on each short sidewall, and a grate bar extending generally perpendicular to said long sidewalls.