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:
Jan. 11, 2011
Filed:
Jul. 06, 2009
Applicants:
Yuexiang Zhang, Nanjing, CN;
Ming Chen, Nanjing, CN;
Jianjun Shuang, Nanjing, CN;
Inventors:
Assignee:
Chervon Limited, Wanchai, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 9/02 (2006.01); G01C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a level having a body which has a first end, a second end opposed to the first end, and a plane surface which connects the first and second ends, at least one level indicating device mounted to the body, and two end caps which are mounted onto the first and second ends, respectively. Each end cap has an outer end which is distributed by a plurality of resilient portions with small surface area for absorbing impact if the level is accidentally dropped or impacted.