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:
Feb. 03, 2004
Filed:
Feb. 29, 2000
Applicant:
Inventors:
Colin John Clipstone, Weston, MA (US);
Steve Hahn, Wellesley, MA (US);
Neville Sonnenberg, Newton, MA (US);
Charles White, Lynnfield, MA (US);
Andrew Zhuk, Acton, MA (US);
Assignee:
The Gillette Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26B 2/158 ; B26B 2/160 ;
U.S. Cl.
CPC ...
B26B 2/158 ; B26B 2/160 ;
Abstract
A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer.