KR890000545U - Chalk gorge - Google Patents

Chalk gorge

Info

Publication number
KR890000545U
KR890000545U KR2019870010142U KR870010142U KR890000545U KR 890000545 U KR890000545 U KR 890000545U KR 2019870010142 U KR2019870010142 U KR 2019870010142U KR 870010142 U KR870010142 U KR 870010142U KR 890000545 U KR890000545 U KR 890000545U
Authority
KR
South Korea
Prior art keywords
gorge
chalk
chalk gorge
Prior art date
Application number
KR2019870010142U
Other languages
Korean (ko)
Other versions
KR900003816Y1 (en
Inventor
권병두
Original Assignee
권병두
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 권병두 filed Critical 권병두
Priority to KR2019870010142U priority Critical patent/KR900003816Y1/en
Publication of KR890000545U publication Critical patent/KR890000545U/en
Application granted granted Critical
Publication of KR900003816Y1 publication Critical patent/KR900003816Y1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/016—Holders for crayons or chalks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/06—Means for connecting two or more writing implements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/04—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by means sliding in longitudinally-slotted casings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K25/00—Attaching writing implements to wearing apparel or objects involving constructional changes of the implements
    • B43K25/02—Clips
    • B43K25/028—Clips combined with means for propelling, projecting or retracting the writing unit
KR2019870010142U 1987-06-24 1987-06-24 Chalk holder KR900003816Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870010142U KR900003816Y1 (en) 1987-06-24 1987-06-24 Chalk holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870010142U KR900003816Y1 (en) 1987-06-24 1987-06-24 Chalk holder

Publications (2)

Publication Number Publication Date
KR890000545U true KR890000545U (en) 1989-03-10
KR900003816Y1 KR900003816Y1 (en) 1990-05-01

Family

ID=19264449

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870010142U KR900003816Y1 (en) 1987-06-24 1987-06-24 Chalk holder

Country Status (1)

Country Link
KR (1) KR900003816Y1 (en)

Also Published As

Publication number Publication date
KR900003816Y1 (en) 1990-05-01

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Legal Events

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