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:
Apr. 16, 2013
Filed:
Aug. 12, 2009
Applicants:
Thomas Kramer, Köln, DE;
Armin Montermann, Andernach, DE;
Peter Busley, Linz/Rheim, DE;
Inventors:
Assignee:
Wirtgen GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01); G09F 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A back-lit operating unit for construction machinery includes a front panel having a plurality of cut-outs. Operating components are received in the cut-outs. A lighting device is arranged behind the front panel. The front panel has a sandwich construction including a carrier panel, a transparent mounting panel located on a front of the carrier panel, and a transparent film located on a front of the mounting panel.