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:
Feb. 17, 2004
Filed:
Nov. 07, 2001
Applicant:
Inventors:
John Edward Fox, Blacksburg, VA (US);
Rodney Allen Parker, Blacksburg, VA (US);
Assignee:
Tetra Holding (US), Inc., Blacksburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 6/304 ; B01D 2/404 ;
U.S. Cl.
CPC ...
A01K 6/304 ; B01D 2/404 ;
Abstract
The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters.
Fox, John. (2004). Dual density filter cartridge (U.S. Patent No. 6692637). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6692637
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile