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. 15, 2012
Filed:
Jul. 23, 2008
Applicants:
Pei-chuan Lee, Ping Tung, TW;
Ming-che Lee, Ping Tung, TW;
Inventors:
Pei-Chuan Lee, Ping Tung, TW;
Ming-Che Lee, Ping Tung, TW;
Assignee:
Adda Corp., Ping Tung, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fan frame has at least one protrudent connector and at least one recessed connector. The at least one protrudent connector is formed on a corner of a surface of the fan frame. The at least one recessed connector is formed on another corner of the same surface of the fan frame, opposite to the at least one protrudent connector and corresponding to the at least one protrudent connector of another same fan frame. Two fan frames can be securely connected against each other by engaging corresponding protrudent and recessed connectors.