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. 31, 2011
Filed:
Aug. 27, 2007
Applicant:
Yuting Rui, Ann Arbor, MI (US);
Inventor:
Yuting Rui, Ann Arbor, MI (US);
Assignee:
Surfango, Inc., Ypsilanti, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
B63H 11/00 (2006.01); B63H 11/01 (2006.01); B63H 11/08 (2006.01); F03B 3/16 (2006.01); F03B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for cutting weeds carried by water inducted into a housing includes an intake, an outlet, an impeller for pumping water from the intake to the outlet as the impeller rotates about an axis, the impeller including a blade formed with a leading edge facing the intake, and a baffle secured against movement and including a cutting edge located adjacent the leading edge when the leading edge rotates to the location of the cutting edge.