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:
Nov. 11, 2008
Filed:
Mar. 29, 2006
Andrew Zhuk, Acton, MA (US);
Weili Yu, Medfield, MA (US);
Hoang Mai Trankiem, Boston, MA (US);
Neville Sonnenberg, Newton, MA (US);
Kevin L. Powell, Hants, GB;
Yiqian Eric Liu, Lexington, MA (US);
Robert L. Lescanec, Boston, MA (US);
Steve S. Hahn, Wellesley, MA (US);
Joseph A. Depuydt, Quincy, MA (US);
Alan Crook, Tadley Hants, GB;
Cinzia Simonis Cloke, Arlington, MA (US);
Andrew Zhuk, Acton, MA (US);
Weili Yu, Medfield, MA (US);
Hoang Mai Trankiem, Boston, MA (US);
Neville Sonnenberg, Newton, MA (US);
Kevin L. Powell, Hants, GB;
Yiqian Eric Liu, Lexington, MA (US);
Robert L. Lescanec, Boston, MA (US);
Steve S. Hahn, Wellesley, MA (US);
Joseph A. DePuydt, Quincy, MA (US);
Alan Crook, Tadley Hants, GB;
Cinzia Simonis Cloke, Arlington, MA (US);
The Gillette Company, Boston, MA (US);
Abstract
Multi-blade razors are provided, having blades with differing properties. In one aspect, a razor is provided that includes a safety razor blade unit comprising a guard, a cap, and first, second and third blades with parallel sharpened edges located between the guard and cap with the first blade closest to the cap, the third blade furthest from the cap, and the second blade disposed between the first and third blades, the blades having first, second and third tip radii, respectively, at least two of the three blades having different tip radii, and at least two of the blades having different coefficients of friction.