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. 26, 2009
Filed:
Nov. 27, 2007
Applicant:
Yuexiang Zhang, Nanjing, CN;
Inventor:
Yuexiang Zhang, Nanjing, CN;
Assignee:
Chervon Limited, , CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 9/00 (2006.01); G01C 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser leveling device as disclosed in the present invention comprises a body and a power source. The body has a cavity for containing a laser module which is movable between a first position and a second position. When in the first position, the laser module is located within the cavity and is not connected to the power source; and when in the second position, the laser module is located outside of the cavity and the laser is electrically connected to the power source to emit a visible laser beam.