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. 23, 2011
Filed:
Jan. 26, 2009
Chad A. Swope, Bedford, PA (US);
Douglas E. Bise, Chilhowie, VA (US);
Kris E. Strothmann, Mt. Vernon, IL (US);
Tod D. Hill, Madisonville, KY (US);
Chad A. Swope, Bedford, PA (US);
Douglas E. Bise, Chilhowie, VA (US);
Kris E. Strothmann, Mt. Vernon, IL (US);
Tod D. Hill, Madisonville, KY (US);
Kennametl Inc., Latrobe, PA (US);
Abstract
A roof drill bit has an elongate roof drill bit body, which has a forward end and a rearward end. The roof drill bit body contains a slot at the forward end. The roof drill bit body contains a dust port wherein the dust port has a central longitudinal dust axis. The roof drill bit further has a hard insert received within the slot wherein the hard insert has a leading surface. The leading surface of the hard insert is rotationally forward of the central longitudinal dust axis of the dust port.