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.

Date of Patent:
Dec. 25, 2012

Filed:

Jan. 08, 2009
Applicants:

Martin Prager, Heiligengrabe, DE;

Ingo Lehnhoff, Dierhagen, DE;

Inventors:

Martin Prager, Heiligengrabe, DE;

Ingo Lehnhoff, Dierhagen, DE;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B 2/00 (2006.01); E04B 2/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device for locking two building boards connected to one another in a direction (V) perpendicular to a visible side. The device includes a first building board with a lateral edge (I) and a first groove and running parallel to the visible side. The device further includes at least one second building board with a lateral edge (II) and with a second groove and running parallel to the visible side, and a locking element that is placed in the first groove of the first building board to engage in the second groove of the second building board, when both grooves have reached an overlapping position after the connection of the building boards by a vertical lowering movement.


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