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.
Patent No.:
Date of Patent:
Mar. 23, 1993
Filed:
May. 31, 1991
Chesley R Howell, Scarborough, CA;
Schlumberger Canada, Ltd., Toronto, CA;
Abstract
A vent (180) for an electricity metering device (30) having a housing (34) having a generally planar surface thereon with a cavity (35), a plurality of vent openings (182) on the surface of the housing (34) which extend through the surface for allowing passage of air therethrough and a plurality of vent shields (184) positioned on one side of the surface adjacent each of the vent openings (182), preventing access through the vent openings (182) into the interior of the housing (34), the vent shields (184) including a first wall (190) extending generally perpendicular from the surface of the housing, and a second wall (192) attached to the first wall (190) extending generally parallel to the surface.