US 11,766,797 B2
Razor blades having a wide facet angle
Kenneth James Skrobis, Maynard, MA (US); Jeffrey Stuart Parker, Quincy, MA (US); Bin Shen, Boston, MA (US); Matthew Robert Stone, Oxford, MA (US); John Joseph Nisby, Hanson, MA (US); Jason Scott Slattery, Malden, MA (US); and Yongqing Ju, Boston, MA (US)
Assigned to The Gillette Company LLC, Boston, MA (US)
Filed by The Gillette Company LLC, Boston, MA (US)
Filed on Dec. 30, 2019, as Appl. No. 16/729,854.
Application 16/729,854 is a continuation of application No. 15/288,051, filed on Oct. 7, 2016, granted, now 10,549,438.
Application 15/288,051 is a continuation of application No. 13/419,929, filed on Mar. 14, 2012, abandoned.
Claims priority of provisional application 61/507,710, filed on Jul. 14, 2011.
Prior Publication US 2020/0130211 A1, Apr. 30, 2020
Int. Cl. B26B 21/56 (2006.01); B26B 21/60 (2006.01)
CPC B26B 21/56 (2013.01) [B26B 21/60 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A razor blade comprising: a substrate with a coating joined to said substrate defining a coated blade, said coated blade comprising a cutting edge being defined by a blade tip, said coated blade having a blade thickness measured within a region at a distance from 2 micrometers to a distance of 4 micrometers from the blade tip, wherein said coating comprises a plurality of materials, one of said materials having a material thickness greater than any other one of said plurality of materials in said region, and wherein said blade thickness is greatest at a distance of 2 micrometers from the blade tip, 3 micrometers from the blade tip, or 4 micrometers from the blade tip.