KR880020374U - 휴대용 슬라이드 - Google Patents

휴대용 슬라이드

Info

Publication number: KR880020374U
Authority: KR; South Korea
Prior art keywords: portable slide; portable; slide
Prior art date: 1987-04-10

Application number

KR2019870005032U

Other languages

English (en)

Other versions

KR900000979Y1 (ko

Inventor

박종수

Original Assignee

박종수

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.)

1987-04-10

Filing date

1987-04-10

Publication date

1988-11-30

1987-04-10 Application filed by 박종수 filed Critical 박종수

1987-04-10 Priority to KR2019870005032U priority Critical patent/KR900000979Y1/ko

1988-11-30 Publication of KR880020374U publication Critical patent/KR880020374U/ko

1990-02-02 Application granted granted Critical

1990-02-02 Publication of KR900000979Y1 publication Critical patent/KR900000979Y1/ko

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/002—Magnifying glasses
- G02B25/005—Magnifying glasses with means for adjusting the magnifying glass or the object viewed
- 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
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Business, Economics & Management (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
Theoretical Computer Science (AREA)
Optics & Photonics (AREA)
Toys (AREA)

KR2019870005032U 1987-04-10 1987-04-10 휴대용 슬라이드 KR900000979Y1 (ko)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
KR2019870005032U KR900000979Y1 (ko)	1987-04-10	1987-04-10	휴대용 슬라이드

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR2019870005032U KR900000979Y1 (ko)	1987-04-10	1987-04-10	휴대용 슬라이드

Publications (2)

Publication Number	Publication Date
KR880020374U true KR880020374U (ko)	1988-11-30
KR900000979Y1 KR900000979Y1 (ko)	1990-02-02

Family

ID=19261544

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR2019870005032U KR900000979Y1 (ko)	1987-04-10	1987-04-10	휴대용 슬라이드

Country Status (1)

Country	Link
KR (1)	KR900000979Y1 (ko)

1987
- 1987-04-10 KR KR2019870005032U patent/KR900000979Y1/ko active IP Right Grant

Also Published As

Publication number	Publication date
KR900000979Y1 (ko)	1990-02-02

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Legal Events

Date	Code	Title	Description
1987-04-10	A201	Request for examination
1987-04-10	UA0108	Application for utility model registration	Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19870410
1987-04-10	UA0201	Request for examination	Patent event date: 19870410 Patent event code: UA02012R01D Comment text: Request for Examination of Application
1988-11-30	UG1501	Laying open of application
1990-02-02	UG1604	Publication of application	Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19900106
1990-04-14	E701	Decision to grant or registration of patent right
1990-04-14	UE0701	Decision of registration	Patent event date: 19900414 Comment text: Decision to Grant Registration Patent event code: UE07011S01D
1991-06-14	NORF	Unpaid initial registration fee
1991-06-14	UC1904	Unpaid initial registration fee