KR870014704U - Multipurpose blackboard - Google Patents

Multipurpose blackboard

Info

Publication number
KR870014704U
KR870014704U KR2019860002773U KR860002773U KR870014704U KR 870014704 U KR870014704 U KR 870014704U KR 2019860002773 U KR2019860002773 U KR 2019860002773U KR 860002773 U KR860002773 U KR 860002773U KR 870014704 U KR870014704 U KR 870014704U
Authority
KR
South Korea
Prior art keywords
multipurpose blackboard
blackboard
multipurpose
Prior art date
Application number
KR2019860002773U
Other languages
Korean (ko)
Other versions
KR880003329Y1 (en
Inventor
김재권
Original Assignee
김재권
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 김재권 filed Critical 김재권
Priority to KR2019860002773U priority Critical patent/KR880003329Y1/en
Publication of KR870014704U publication Critical patent/KR870014704U/en
Application granted granted Critical
Publication of KR880003329Y1 publication Critical patent/KR880003329Y1/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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/045—Blackboards with magnetic 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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/06—Blackboards rigid
    • 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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/10—Writing surfaces thereof
KR2019860002773U 1986-03-10 1986-03-10 Blackboards for spending much KR880003329Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860002773U KR880003329Y1 (en) 1986-03-10 1986-03-10 Blackboards for spending much

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860002773U KR880003329Y1 (en) 1986-03-10 1986-03-10 Blackboards for spending much

Publications (2)

Publication Number Publication Date
KR870014704U true KR870014704U (en) 1987-10-06
KR880003329Y1 KR880003329Y1 (en) 1988-09-24

Family

ID=19249369

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860002773U KR880003329Y1 (en) 1986-03-10 1986-03-10 Blackboards for spending much

Country Status (1)

Country Link
KR (1) KR880003329Y1 (en)

Also Published As

Publication number Publication date
KR880003329Y1 (en) 1988-09-24

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Legal Events

Date Code Title Description
A201 Request for examination
O032 Opposition [utility model]: request for opposition
J2X1 Appeal (before the patent court)

Free format text: TRIAL NUMBER: 1989201000720; APPEAL AGAINST DECISION TO DECLINE REFUSAL

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL