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Class Information
Number: 454/280
Name: Ventilation > Having inlet airway > Including specific cover or shield for exterior vent opening > Wall type > Louver > Formed in sheet member
Description: Subject matter comprising a single plate element having two or more ventilating air passages therethrough.

Patents under this class:

Patent Number Title Of Patent Date Issued
7794312 Enclosure cover and method for making an enclosure cover Sep. 14, 2010
6468151 Louver member and method Oct. 22, 2002
6322441 Louver member and method Nov. 27, 2001
6241602 Gable end roof ventilator Jun. 5, 2001
5728000 Eave vent Mar. 17, 1998
5255486 Louver door construction Oct. 26, 1993
5201879 Vent for enclosures Apr. 13, 1993
4850657 Cabinet for housing an electronic terminal Jul. 25, 1989

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