Class 30/346.57 - Having three or more cutting edges

Subclass of Class 30 - Cutlery
Definition: Device reciting more than two distinct, marginal portions
No. of patents: 39
Last issue date: 05/13/2008

Number	Title	Issue Date
7370419	Replacement cartridge for a razor assembly A replacement cartridge for a razor assembly is provided that includes a shaving aid body for use with the razor assembly. The shaving aid body includes an aperture disposed within a contact surface. The aperture is sized to receive a razor cartridge. Some embodimen...	05/13/2008
7353606	Hair cutting and styling razor A razor cutter for hair using a blade having one or two accordion shaped cutting edges to allow a feathered cut of hair strands at different points when the cutting edge of the blade contacts hair. Each cutting edge is made up of a plurality of smaller edge sections...	04/08/2008
7272991	Shaving razors, and blade subassemblies therefor and methods of manufacture A subassembly for a shaving razor that includes a plurality of elongated metal blades that are secured to each other as an integral unit. The plural blades have cutting edges defining a shaving surface, and are secured to each other by weld connections at their resp...	09/25/2007
7266895	Razor assembly A razor assembly is provided that includes a razor cartridge with one or more razor blades, a shaving aid body, a handle, and a linkage pivotally connected to the handle. The linkage is connected to the razor cartridge and the shaving aid body in a manner such that ...	09/11/2007
7210229	Razor cartridge In a razor cartridge, a frame has an opening defined in part by a leading surface and a trailing surface. Positioned within the opening are a plurality of cutting edges, each cutting edge defined by a blade. In a shaving operation, a hirsute surface contacts in turn...	05/01/2007
7197825	Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe...	04/03/2007
7191523	Safety razor A safety razor with a plurality of blades comprising a head provided with a plurality of vertically adjacent blades, which do not wholly overlap one another, and blade support parts supporting the respective blades apart from one another in order to retain the respe...	03/20/2007
7162800	Wet shaving assembly A shaving assembly for simultaneously applying a shaving preparation and removing hair in a single step includes a base having an upper end, a lower end and a hollow space between the upper and lower ends, whereby the hollow space defines an opening at the upper end...	01/16/2007
7131202	Cutting members for shaving razors with multiple blades A cutting member for a shaving razor includes an elongated metal blade having a cutting edge, a blade end, a tapered portion near the blade end and a uniform thickness portion extending from the blade end to the tapered portion, and an elongated bent metal support t...	11/07/2006
7127817	Shaving preparation for wet shaving assembly A shaving assembly for simultaneously applying a shaving preparation and removing hair in a single step includes a base having an upper end, a lower end and a hollow space between the upper and lower ends, whereby the hollow space defines an opening at the upper end...	10/31/2006
7124511	Razor blade A razor blade is provided, which achieves improved safety in use and reduced cutting resistance to an object to be cut such as beard and hair, as compared with conventional razor blades. This razor blade can be obtained by using, as a silicon thin sheet, a single cr...	10/24/2006
7103976	Razor assembly A razor assembly is provided that includes a razor cartridge with one or more razor blades, a shaving aid body, a handle, and a linkage pivotally connected to the handle. The linkage is connected to the razor cartridge and the shaving aid body in a manner such that ...	09/12/2006
7086159	Razor assembly A razor assembly is provided that includes a handle having a cavity, a razor cartridge attached to a razor cartridge holder, and a shaving aid body. The razor cartridge holder is slidably received within the cavity of the handle. The shaving aid body is attached to ...	08/08/2006
7059054	Cutting blades having pointed tip, ultra-sharp edges, and ultra-flat faces An apparatus and method for a cutting blade having a pointed tip and ultra-flat faces that intersect at ultra-sharp edges. The cutting blade is batch-fabricated on a standard {100} semiconductor mono-crystalline silicon wafer using conventional anisotropic wet etchi...	06/13/2006
7047646	Wet shaving cartridge with four blade edges A razor cartridge is provided that includes a frame, at least four razor blades, a guard that includes a contact surface, and a cap that includes a contact surface. The razor blades are supported by the frame. The guard is disposed forward of the razor blades and th...	05/23/2006
7007393	Microreplicated shaving element In a microreplicated shaving element the substrate includes a plurality of microshaving elements projecting outwardly from a surface defined by the substrate. Each microshaving element defines a cutting edge spaced away from the surface and a plurality of guard elem...	03/07/2006
6996908	Wet shaving assembly A shaving assembly operable in dry shaving environments and wet shaving environments is provided that includes a razor assembly and a shaving preparation cake. The razor assembly, which includes a razor cartridge attached to a handle, is operable in dry shaving envi...	02/14/2006
6655030	Shaving head and shaver provided with such a shaving head The invention relates to a shaving head (1) having at least two cutting members, the cutting edge (7)of at least one of the cutting members (5) being situated at a side, remote from the other cutting member (9), of an imaginary center plane (41) of the ca...	12/02/2003
6550141	Razor heads with intermediate guard elements Razor heads comprising at least one blade and a plurality of guard elements over the leading edge at a plurality of intermediate portions. According to preferred embodiments, the guard elements are integrally molded with at least one or more of a blade su...	04/22/2003
6519856	Safety razor head with intrinsic fencing and lateral skin tensioning The various embodiments of the invention are directed to safety razor heads (120) having intrinsically fenced cutting blades (136, 138) oriented at a high slicing angle to the shaving direction. The razor comprises a plurality of short cutting edges (4) i...	02/18/2003
6499218	Four sided dual blade shaver A safety razor having a shaving head which includes dual blades with multiple shaving edges having different lengths and/or shapes to provide a selection of shaving edges for various types of hair encountered on the body of a user. Each blade has straight...	12/31/2002
6430818	Shaving cartridge A blade cartridge including a platform member having a blade seat, and a guard member located forward of and parallel to the blade seat so as to form a longitudinal slot between the blade seat and the guard member. A first blade is disposed on the blade s...	08/13/2002
6418623	Dual-blade razor head with adjustable spacer A razor head assembly is adapted for grooming of a narrow beard line of uniform width. The assembly includes a razor head supportable of razor blade assemblies. First and second razor blade assemblies are mountable to the head. The razor blade assemblies ...	07/16/2002
6266884	Triple blade safety razor A blade cartridge including three or more blades fixed between a platform member and a cap member. The present invention provides improved triple blade geometry where five contact surfaces with the skin are considered, including the edges of each of the b...	07/31/2001
6216349	Safety razors A safety razor blade unit including a guard, a cap, and a group of first, second, and third blades with parallel sharpened edges located between the guard and cap, the blades being resiliently movably mounted and having an at rest condition in which the f...	04/17/2001
6176014	Safety razors A novel cutting element in or for a safety razor comprises an elongate member with a series of slots (5), each slot (5) tapering from an open forward end to a substantially closed trailing end, and each slot (5) being confined between a pair of shaped edg...	01/23/2001
6032372	Intrinsically fenced safety razor head The various embodiments of the invention are directed to safety razor heads (1) having an intrinsically fenced unitary blade (7) oriented at a high slicing angle to the shaving direction. The unitary blade comprises a plurality of short blade edges (22) i...	03/07/2000
5778535	Multiwidth hand razor A hand held razor configured to provide a cutting pattern suitable for penetrating into and cleanly shaving corners and similar areas of a person's face providing restricted access to razors. The razor has a head holding three blades disposed in parallel,...	07/14/1998
5761812	Safety razor A safety razor having a generally rectangular-shaped head, comprises at least one razor cutting edge arranged on at least one of the longitudinal sides of the head and at least one razor cutting edge arranged on at least one of the transversal sides of th...	06/09/1998
5666729	Suspended blade shaving system Shaving systems having a first support, at least one, and preferably a plurality, of resilient supports, and a plurality of skin-engaging elements movably arranged in spaced relation and supported by the resilient support. The resilient supports normally ...	09/16/1997
5481802	Razor head, in particular a razor blade unit of a wet razor A razor head for a wet razor, and a method of making the same. The razor head, and in particular a razor blade unit, has at least one razor blade with a cutting edge, and at least one plastic part that is provided with at least one indentation which provi...	01/09/1996
5236439	Razor cartridge with improved rinsability A rinsable twin bladed shaving cartridge is attachable to a handle and includes a support having an upper platform on which a cap blade is mounted and a lower platform on which a seat blade is mounted. At least one post connects the upper platform to the ...	08/17/1993
5153992	Safety razors A safety razor in which the blade has a plurality of sharp-edged apertures for shaving and also a sharpened rectilinear edge for trimming. Provision is made for effecting displacement of the blade relative to the razor handle so that the trimming edge whi...	10/13/1992
4912846	Disposable razor A safety razor blade has a blade body with a substantially planar upper surface. A row of blunt convex protrusions are spaced along the forward edge portion of the blade body in a comb-like configuration. The protrusions have upper surfaces substantially ...	04/03/1990
4534110	Triple-edge safety razor and blade A triple-edge safety razor in which no portions thereof are disconnected during use. The razor employs a novel blade assembly wherein three individual strip blades are interconnected by a flexible central web affording hinged connections therebetween. A n...	08/13/1985
4294010	Rotatable safety razor and blade cartridge therefor An electrically-powered, rotary razor is provided for releasably mounting and driving a blade cartridge generally of the safety razor type. The razor delivers a close wet shave with the omnidirectional cutting characteristics of a rotary dry-type shaver....	10/13/1981
4180906	Razor with orbiting discs with sharp-edge slots, and method for making discs Discs having narrow, sharp-edge slots are orbited so that their slot edges undergo a slicing motion....	01/01/1980
4031620	Shaving system A disposable blade unit for a safety razor comprises a thin, transversely flexible blade which is apertured along its longitudinal center line and has its two longitudinal edges parallel and sharpened to cutting edges. A pair of blade strips each having a...	06/28/1977
3938250	Disposable blade unit A disposable blade unit comprises two sets of cutting edges and a thin, transversely flexible web connecting the two sets of cutting edges. Each set of cutting edges includes a leading cutting edge and a following cutting edge, the cutting edges being per...	02/17/1976

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Class 30/346.57 - Having three or more cutting edges