KR880002229U - 다면을 형성한 흑판 - Google Patents

다면을 형성한 흑판

Info

Publication number
KR880002229U
KR880002229U KR2019860011415U KR860011415U KR880002229U KR 880002229 U KR880002229 U KR 880002229U KR 2019860011415 U KR2019860011415 U KR 2019860011415U KR 860011415 U KR860011415 U KR 860011415U KR 880002229 U KR880002229 U KR 880002229U
Authority
KR
South Korea
Prior art keywords
blackboard
polyhedron
Prior art date
Application number
KR2019860011415U
Other languages
English (en)
Other versions
KR890004164Y1 (ko
Inventor
이상철
Original Assignee
이상철
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 이상철 filed Critical 이상철
Priority to KR2019860011415U priority Critical patent/KR890004164Y1/ko
Publication of KR880002229U publication Critical patent/KR880002229U/ko
Application granted granted Critical
Publication of KR890004164Y1 publication Critical patent/KR890004164Y1/ko

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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/001—Wall mounting or suspension arrangements for blackboards or the like
KR2019860011415U 1986-07-30 1986-07-30 다면을 형성한 흑판 KR890004164Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860011415U KR890004164Y1 (ko) 1986-07-30 1986-07-30 다면을 형성한 흑판

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860011415U KR890004164Y1 (ko) 1986-07-30 1986-07-30 다면을 형성한 흑판

Publications (2)

Publication Number Publication Date
KR880002229U true KR880002229U (ko) 1988-04-07
KR890004164Y1 KR890004164Y1 (ko) 1989-06-26

Family

ID=19254440

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860011415U KR890004164Y1 (ko) 1986-07-30 1986-07-30 다면을 형성한 흑판

Country Status (1)

Country Link
KR (1) KR890004164Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949467B1 (ko) * 2009-07-23 2010-03-24 이상첨 친환경 다목적 피디피 칠판

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949467B1 (ko) * 2009-07-23 2010-03-24 이상첨 친환경 다목적 피디피 칠판

Also Published As

Publication number Publication date
KR890004164Y1 (ko) 1989-06-26

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
O032 Opposition [utility model]: request for opposition
J2X1 Appeal (before the patent court)

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