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:
Aug. 19, 2014
Filed:
Oct. 12, 2012
Applicant:
Ming LI, Xiamen, CN;
Inventor:
Ming Li, Xiamen, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a universal elevator operation plate to overcome the problems of the existing operation plate which is provided with floor buttons corresponding to the number of the floors of a building. The elevator operation plate of the present invention uses floor election buttons to show the numeric '0-9', a clear button, a floor confirmation button, and a number/letter switch button to achieve floor election operation to indicate the floor by number or letter. The present invention can be produced in standardization to lower the cost.