KR880014911U - Comprehensive Learning Blackboard - Google Patents

Comprehensive Learning Blackboard

Info

Publication number
KR880014911U
KR880014911U KR2019870000918U KR870000918U KR880014911U KR 880014911 U KR880014911 U KR 880014911U KR 2019870000918 U KR2019870000918 U KR 2019870000918U KR 870000918 U KR870000918 U KR 870000918U KR 880014911 U KR880014911 U KR 880014911U
Authority
KR
South Korea
Prior art keywords
comprehensive learning
learning blackboard
blackboard
comprehensive
learning
Prior art date
Application number
KR2019870000918U
Other languages
Korean (ko)
Other versions
KR900010647Y1 (en
Inventor
장창호
Original Assignee
한국흑판교재 주식회사
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 한국흑판교재 주식회사 filed Critical 한국흑판교재 주식회사
Priority to KR2019870000918U priority Critical patent/KR900010647Y1/en
Publication of KR880014911U publication Critical patent/KR880014911U/en
Application granted granted Critical
Publication of KR900010647Y1 publication Critical patent/KR900010647Y1/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
    • B43L1/06—Blackboards rigid
    • 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
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • 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
    • B43L1/008—Repeatedly-usable boards or tablets for writing or drawing 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
    • B43L1/045—Blackboards with magnetic action
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/003—Maps

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
KR2019870000918U 1987-01-30 1987-01-30 Total studying system blackboard KR900010647Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870000918U KR900010647Y1 (en) 1987-01-30 1987-01-30 Total studying system blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870000918U KR900010647Y1 (en) 1987-01-30 1987-01-30 Total studying system blackboard

Publications (2)

Publication Number Publication Date
KR880014911U true KR880014911U (en) 1988-09-14
KR900010647Y1 KR900010647Y1 (en) 1990-11-26

Family

ID=19259300

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870000918U KR900010647Y1 (en) 1987-01-30 1987-01-30 Total studying system blackboard

Country Status (1)

Country Link
KR (1) KR900010647Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000054803A (en) * 2000-06-26 2000-09-05 박경주 Learning board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000054803A (en) * 2000-06-26 2000-09-05 박경주 Learning board

Also Published As

Publication number Publication date
KR900010647Y1 (en) 1990-11-26

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19981126

Year of fee payment: 9

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