The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 15, 2020

Filed:

May. 03, 2018
Applicant:

Abb Schweiz Ag, Baden, CH;

Inventors:

Nikolaus Zant, Raleigh, NC (US);

Harald Martini, Vaesteras, SE;

Sheng Zhong, Hillsborough, NC (US);

Assignee:

ABB Schweiz AG, Baden, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02G 3/08 (2006.01); H01H 9/04 (2006.01);
U.S. Cl.
CPC ...
H02G 3/088 (2013.01); H02G 3/081 (2013.01);
Abstract

The present disclosure is directed to a plastic fire resistant electrical box. The electrical box includes one or more walls having a substrate formed from a fire resistant intumescent material. The substrate can include a coating formed from an intumescent material composition applied to at least one of an inner and outer surface.


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