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:
Jul. 09, 2013
Filed:
Apr. 27, 2011
Applicants:
Seyfettin Kara, Spenge, DE;
Stefan Kreimeyer, Bielefeld, DE;
Monika Seifert, Detmold, DE;
Stefan Tiekoetter, Bielefeld, DE;
Cornelius Wolf, Bielefeld, DE;
Inventors:
Seyfettin Kara, Spenge, DE;
Stefan Kreimeyer, Bielefeld, DE;
Monika Seifert, Detmold, DE;
Stefan Tiekoetter, Bielefeld, DE;
Cornelius Wolf, Bielefeld, DE;
Assignee:
Miele & Cie. KG, Guetersloh, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum cleaner includes a filter, an optically sensitive filter replacement indicator associated with the filter, and a light source configured to provide light on the optically sensitive filter replacement indicator. The light source is variably energizable according to a selectable power level of the vacuum cleaner.