Erasing implement and writing implement provided with erasing implement

US9994066B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9994066-B2
Application numberUS-201314374102-A
CountryUS
Kind codeB2
Filing dateJan 24, 2013
Priority dateJan 24, 2012
Publication dateJun 12, 2018
Grant dateJun 12, 2018

How to read this patent

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  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.

Provided are an erasing implement and a writing implement equipped with the erasing implement, the erasing implement being capable of erasing writing regardless of the type of ink or lead of the writing implement, even writing with thermochromic ink or writing with pencil lead. The erasing implement is equipped with a first erasing member for erasing writing with thermochromic ink and a second erasing member for erasing writing of types other than thermochromic ink, and is configured by covering the outer surface of the second erasing member with the first erasing member.

First claim

Opening claim text (preview).

The invention claimed is: 1. An eraser comprising an erasing member and a closed bottom case configured to hold inside the erasing member, wherein the erasing member is a thermochromic ink eraser, wherein the case comprises side surfaces and a bottom surface, which is perpendicular to the side surfaces, and wherein the side surfaces include through holes such that the erasing member and the case can be simultaneously gripped through the through holes at the time of an erasure operation. 2. The eraser of claim 1 , wherein the bottom surface contains a through hole.

Assignees

Inventors

Classifications

  • selection by gravity with a pendulum or the like · CPC title

  • Hand-held holders · CPC title

  • with rubbers · CPC title

  • Combinations of pens and pencils · CPC title

  • Finger mounted erasers · CPC title

Patent family

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Frequently asked questions

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

What does patent US9994066B2 cover?
Provided are an erasing implement and a writing implement equipped with the erasing implement, the erasing implement being capable of erasing writing regardless of the type of ink or lead of the writing implement, even writing with thermochromic ink or writing with pencil lead. The erasing implement is equipped with a first erasing member for erasing writing with thermochromic ink and a second …
Who is the assignee on this patent?
Mitsubishi Pencil Co
What technology area does this patent fall under?
Primary CPC classification B43L19/0025. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jun 12 2018 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).