KR950008472U - Suction blackboard eraser - Google Patents

Suction blackboard eraser

Info

Publication number
KR950008472U
KR950008472U KR2019930019687U KR930019687U KR950008472U KR 950008472 U KR950008472 U KR 950008472U KR 2019930019687 U KR2019930019687 U KR 2019930019687U KR 930019687 U KR930019687 U KR 930019687U KR 950008472 U KR950008472 U KR 950008472U
Authority
KR
South Korea
Prior art keywords
blackboard eraser
suction blackboard
suction
eraser
blackboard
Prior art date
Application number
KR2019930019687U
Other languages
Korean (ko)
Other versions
KR960001807Y1 (en
Inventor
엄영철
Original Assignee
엄영철
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엄영철 filed Critical 엄영철
Priority to KR2019930019687U priority Critical patent/KR960001807Y1/en
Publication of KR950008472U publication Critical patent/KR950008472U/en
Application granted granted Critical
Publication of KR960001807Y1 publication Critical patent/KR960001807Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0006—Erasers, rubbers, or erasing devices; Holders therefor motor-driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/04—Fibrous erasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/04—Wiper holders
KR2019930019687U 1993-09-27 1993-09-27 Inhalation type eraser for a blackboard KR960001807Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930019687U KR960001807Y1 (en) 1993-09-27 1993-09-27 Inhalation type eraser for a blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930019687U KR960001807Y1 (en) 1993-09-27 1993-09-27 Inhalation type eraser for a blackboard

Publications (2)

Publication Number Publication Date
KR950008472U true KR950008472U (en) 1995-04-17
KR960001807Y1 KR960001807Y1 (en) 1996-02-28

Family

ID=19364563

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930019687U KR960001807Y1 (en) 1993-09-27 1993-09-27 Inhalation type eraser for a blackboard

Country Status (1)

Country Link
KR (1) KR960001807Y1 (en)

Also Published As

Publication number Publication date
KR960001807Y1 (en) 1996-02-28

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee