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:
Aug. 11, 2009
Filed:
Apr. 25, 2007
Applicant:
Erwin Stoetzer, Aichach, DE;
Inventor:
Erwin Stoetzer, Aichach, DE;
Assignee:
Bauer Maschinen GmbH, Schrobenhausen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an auger bit for an earth auger, in which at least two curved plates are provided and extend radially outwards from a drilling axis, the axial height decreasing radially outwards.