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.:

US 8556439 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 15, 2013

Filed:

Mar. 09, 2011
Applicants:

Lindsay Eng, Long Beach, CA (US);

Michael Georg Rosenbauer, Reimlingen, DE;

Metin Tastan, Dillingen, DE;

Ralf Winkler, New Bern, NC (US);

Inventors:

Lindsay Eng, Long Beach, CA (US);

Michael Georg Rosenbauer, Reimlingen, DE;

Metin Tastan, Dillingen, DE;

Ralf Winkler, New Bern, NC (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A household appliance including an information light device that allows a user of the household appliance to determine when the household device is in operation, and a method thereof. The information light device may include a light guide structured to indicate an operating status of the household appliance. The light guide may be disposed at a lower portion of the household appliance, and embodied as a wave guide where at least part of the light that exits the light guide is guided in a direction that is perpendicular to the light guide and onto a floor where the household appliance is disposed.


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