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. 30, 2018
Filed:
Jun. 08, 2007
Applicant:
Andreas Pfannenberg, Hamburg, DE;
Inventor:
Andreas Pfannenberg, Hamburg, DE;
Assignee:
PFANNENBERG GMBH, Hamburg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); F04D 29/70 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20181 (2013.01); F04D 29/703 (2013.01);
Abstract
The filter fan with a basic casing with a frame which is provided with quick fixing devices in form of spring-elastic preferably wing-type brackets is configured in such a manner that the frame is configured continuously closed all around its periphery and the brackets configured as plate-shaped blanks are molded on the frame, brackets which are provided with a number of slits for constituting spring-elastic snap-in tongues.
Pfannenberg, Andreas. (2018). Filter fan with a quick fixing device (U.S. Patent No. 9883609). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9883609
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile