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:
Jul. 17, 2007
Filed:
Sep. 22, 2004
Applicant:
Tod J. Michael, Chariton, IA (US);
Inventor:
Tod J. Michael, Chariton, IA (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure relates to back reamers having bases including leading ends that can be connected to a drill string and trailing ends that can be connected to product desired to be pulled through a bore being backreamed. The back reamers also include reaming components that are detachably secured to the bases.