Patent · US Active

Fire-resistant electrical box

US9806509B1 · kind B1 · utility

1Cited by

3References

20Claims

0Family size

Assignee

FSR, Inc. · US

Inventors

Kenneth A. Heinis · Little Falls, US
Richard B. Wilson · Plano, US
John Macaluso · Clifton, US

Key dates

Filing date	Jun 9, 2016
Grant date	Oct 31, 2017
Priority date	—
Expiry date	Jun 9, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH02G3/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A fire-resistant electrical box assembly includes an outer box assembly having an outer top panel, an outer bottom panel, an outer first side panel, an outer second side panel, an outer back panel, an inner back panel, and a front panel forming an opening substantially covered by a front cover, an inner box assembly having one or more of an inner top panel, an inner bottom panel, an inner first side panel, and an inner second side panel, and an intumescent material between at least a portion of the outer back panel and the inner back panel.

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