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:
Mar. 10, 2020
Filed:
Jan. 05, 2018
Applicant:
Spectrum Brands, Inc., Middleton, WI (US);
Inventor:
John L. Shumate, Radford, VA (US);
Assignee:
Spectrum Brands, Inc., Middleton, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/24 (2006.01); F04D 29/22 (2006.01); A01K 63/04 (2006.01); F04D 13/06 (2006.01);
U.S. Cl.
CPC ...
F04D 29/242 (2013.01); A01K 63/047 (2013.01); F04D 29/2261 (2013.01); F04D 29/24 (2013.01); F04D 13/06 (2013.01);
Abstract
An impeller for use in an aquarium filter pump includes a shaft and a plurality of impeller blades radially extending from the shaft. Each of the impeller blades includes opposite blade faces. A depression is in each of the blade faces and aids in pushing the water. The depression can be a variety of shapes and can have its deepest portion along one of the edges of the blade.