Utility valve box lockout device

Fluid handling – Processes – Cleaning – repairing – or assembling

Reexamination Certificate

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Details

C137S382000, C137S383000

Reexamination Certificate

active

06926024

ABSTRACT:
A lockout device to secure access to a pipeline valve through a utility valve box having an inwardly directed ring is described. The lockout device includes a tube with a shackle, a plate with an opening, and a lock. As installed, the tube fits within an interior space of the utility valve box. The lock locks the plate and tube together. The width of the plate is greater than the inner diameter of the ring.

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patent: 6131604 (2000-10-01), Harriss

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