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. 04, 2015
Filed:
Apr. 29, 2009
Roy Hewitt Sullivan, Uxbridge, MA (US);
Albert Chun-chi Chin, Newton, MA (US);
Eric Karl Litscher, Hopkinton, MA (US);
William Lucas Churchill, Bolton, MA (US);
Ronald David Adams, Holliston, MA (US);
William Harwick Gruber, Southborough, MA (US);
David Jacobs, Acton, MA (US);
Roy Hewitt Sullivan, Uxbridge, MA (US);
Albert Chun-Chi Chin, Newton, MA (US);
Eric Karl Litscher, Hopkinton, MA (US);
William Lucas Churchill, Bolton, MA (US);
Ronald David Adams, Holliston, MA (US);
William Harwick Gruber, Southborough, MA (US);
David Jacobs, Acton, MA (US);
HOLOGIC, INC., Marlborough, MA (US);
Abstract
Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50.