Razor blade

US12576547B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12576547-B2
Application numberUS-202418610031-A
CountryUS
Kind codeB2
Filing dateMar 19, 2024
Priority dateApr 16, 2020
Publication dateMar 17, 2026
Grant dateMar 17, 2026

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A razor blade is provided comprising a substrate comprising a first portion and a second portion. The first portion may comprise first and second generally parallel outer surfaces. The second portion may comprise first and second sections separated by a split line. The first section may comprise a first facet extending directly from the first outer surface of the first portion and an end facet extending directly from the first facet. The second section may comprise an end facet. The end facets of the first and second sections may converge at a tip to define a cutting edge. The split line may pass through the tip and is generally parallel with and extends between the first and second outer surfaces of the first portion.

First claim

Opening claim text (preview).

What is claimed is: 1 . A razor blade comprising: a substrate comprising: a first portion comprising first and second parallel outer surfaces; and a second portion comprising first and second sections separated by a split line, wherein the first section comprises a first facet extending directly from the first outer surface of the first portion and an end facet extending directly from the first facet, the second section comprises an end facet, the end facet of the second section has a length greater than the end facet of the first section, the end facets of the first and second sections converge at a tip to define a cutting edge, the split line passes through the tip and is parallel with and extends between the first and second outer surfaces of the first portion, and wherein a plane extending through a center of the first portion parallel to the first and second parallel outer surfaces extends through one of the first facet or the end facet extending directly from the first facet. 2 . The razor blade of claim 1 , wherein the end facet of the second section comprises a second facet and the end facet of the first section comprises a third facet. 3 . The razor blade of claim 1 , wherein the second section further comprises a second facet extending from the second outer surface of the first portion, the end facet of the second section includes a fourth facet and the end facet of the first section includes a third facet. 4 . The razor blade of claim 1 , wherein the end facet of the second section is located closer to the split line than the first facet and the end facet of the first section.

Assignees

Inventors

Classifications

  • with the blade moulded into, or attached to, a changeable unit · CPC title

  • B26B21/565Primary

    Bent razor blades; Razor blades with bent carriers · CPC title

  • B26B21/60Primary

    by the coating material · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US12576547B2 cover?
A razor blade is provided comprising a substrate comprising a first portion and a second portion. The first portion may comprise first and second generally parallel outer surfaces. The second portion may comprise first and second sections separated by a split line. The first section may comprise a first facet extending directly from the first outer surface of the first portion and an end facet …
Who is the assignee on this patent?
Gillette Co Llc
What technology area does this patent fall under?
Primary CPC classification B26B21/565. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 17 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).