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:
May. 22, 1990
Filed:
Feb. 16, 1988
David W Duback, Glenview, IL (US);
James R Vogenthaler, Mount Prospect, IL (US);
Accurate Metering Systems, Inc., Schaumburg, IL (US);
Abstract
The panel assembly comprises an inner panel hignedly mounted at one side edge to a control unit. The inner panel has a plurality of openings formed therethrough and light emitting elements mounted in the openings for projecting light from the outer face of the inner panel toward an outer panel. Wire conductor elements are connected on the back side of the inner panel to the light emitting elements and are adapted to be connected to a source of electric power. The outer panel is hingedly connected along one side thereof to the control unit. The outer panel has openings therethrough arranged to be aligned with the light emitting elements mounted in the openings of the inner panel. A layout of a system is mounted on the outer face of the outer panel and has circle areas identifying elements of the system which are to be illuminated to indicate a particular status of those elements of the system shown on the outer face of the outer panel.