KR970016603U - 승강 칠판의 안전 보호장치 - Google Patents

승강 칠판의 안전 보호장치

Info

Publication number
KR970016603U
KR970016603U KR2019950031017U KR19950031017U KR970016603U KR 970016603 U KR970016603 U KR 970016603U KR 2019950031017 U KR2019950031017 U KR 2019950031017U KR 19950031017 U KR19950031017 U KR 19950031017U KR 970016603 U KR970016603 U KR 970016603U
Authority
KR
South Korea
Prior art keywords
protection device
safety protection
lifting board
lifting
board
Prior art date
Application number
KR2019950031017U
Other languages
English (en)
Other versions
KR0129585Y1 (ko
Inventor
박우헌
Original Assignee
박우헌
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 박우헌 filed Critical 박우헌
Priority to KR2019950031017U priority Critical patent/KR0129585Y1/ko
Publication of KR970016603U publication Critical patent/KR970016603U/ko
Application granted granted Critical
Publication of KR0129585Y1 publication Critical patent/KR0129585Y1/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
KR2019950031017U 1995-10-30 1995-10-30 승강 칠판의 안전 보호장치 KR0129585Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950031017U KR0129585Y1 (ko) 1995-10-30 1995-10-30 승강 칠판의 안전 보호장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950031017U KR0129585Y1 (ko) 1995-10-30 1995-10-30 승강 칠판의 안전 보호장치

Publications (2)

Publication Number Publication Date
KR970016603U true KR970016603U (ko) 1997-05-23
KR0129585Y1 KR0129585Y1 (ko) 1999-10-01

Family

ID=19427429

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950031017U KR0129585Y1 (ko) 1995-10-30 1995-10-30 승강 칠판의 안전 보호장치

Country Status (1)

Country Link
KR (1) KR0129585Y1 (ko)

Also Published As

Publication number Publication date
KR0129585Y1 (ko) 1999-10-01

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
J201 Request for trial against refusal decision

Free format text: TRIAL AGAINST DECISION OF REJECTION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL

B701 Decision to grant
REGI Registration of establishment
J204 Request for invalidation trial [patent]
J301 Trial decision

Free format text: TRIAL DECISION FOR INVALIDATION IN ENTIRETY REQUESTED 19981111

Effective date: 19990504

J2X2 Appeal (before the supreme court)

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J302 Written judgement (patent court)

Free format text: JUDGMENT (PATENT COURT) FOR INVALIDATION IN ENTIRETY REQUESTED 19990609

Effective date: 19991125

J303 Written judgement (supreme court)

Free format text: JUDGMENT (SUPREME COURT) FOR INVALIDATION IN ENTIRETY REQUESTED 20020110

Effective date: 20020111

J221 Remand (intellectual property tribunal)

Free format text: REMAND (INTELLECTUAL PROPERTY TRIBUNAL) FOR INVALIDATION IN ENTIRETY

J301 Trial decision

Free format text: TRIAL DECISION FOR INVALIDATION IN ENTIRETY REQUESTED 20020123

Effective date: 20020506

LAPS Lapse due to unpaid annual fee