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. 05, 2013
Filed:
Apr. 19, 2010
Applicant:
Michael Mccague, Escondido, CA (US);
Inventor:
Michael McCague, Escondido, CA (US);
Assignee:
Watkins Manufacturing Corporation, Vista, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 27/02 (2006.01); B01D 24/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter element for a pool or spa including a sintered plastic outer cylinder of a first diameter, a sintered plastic inner cylinder of a second diameter less than said first diameter; the inner cylinder being position coaxially with respect to the outer cylinder to define an annular interior chamber; and a selected granulated filter medium or combination of media residing in the annular interior chamber.