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KR900000871U - 절첩 사다리 - Google Patents

절첩 사다리

Info

Publication number
KR900000871U
KR900000871U KR2019880009054U KR880009054U KR900000871U KR 900000871 U KR900000871 U KR 900000871U KR 2019880009054 U KR2019880009054 U KR 2019880009054U KR 880009054 U KR880009054 U KR 880009054U KR 900000871 U KR900000871 U KR 900000871U
Authority
KR
South Korea
Prior art keywords
folding ladder
ladder
folding
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR2019880009054U
Other languages
English (en)
Other versions
KR910004762Y1 (ko
Inventor
신봉영
Original Assignee
신봉영
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 신봉영 filed Critical 신봉영
Priority to KR2019880009054U priority Critical patent/KR910004762Y1/ko
Publication of KR900000871U publication Critical patent/KR900000871U/ko
Application granted granted Critical
Publication of KR910004762Y1 publication Critical patent/KR910004762Y1/ko
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
KR2019880009054U 1988-06-13 1988-06-13 절첩 사다리 Expired KR910004762Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880009054U KR910004762Y1 (ko) 1988-06-13 1988-06-13 절첩 사다리

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880009054U KR910004762Y1 (ko) 1988-06-13 1988-06-13 절첩 사다리

Publications (2)

Publication Number Publication Date
KR900000871U true KR900000871U (ko) 1990-01-18
KR910004762Y1 KR910004762Y1 (ko) 1991-07-04

Family

ID=19276234

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880009054U Expired KR910004762Y1 (ko) 1988-06-13 1988-06-13 절첩 사다리

Country Status (1)

Country Link
KR (1) KR910004762Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100756356B1 (ko) * 2002-06-28 2007-09-10 주식회사 케이티 지하구조물 출입구의 사다리

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100756356B1 (ko) * 2002-06-28 2007-09-10 주식회사 케이티 지하구조물 출입구의 사다리

Also Published As

Publication number Publication date
KR910004762Y1 (ko) 1991-07-04

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19880613

UA0201 Request for examination

Patent event date: 19880613

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19910605

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19910918

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

NORF Unpaid initial registration fee
UC1904 Unpaid initial registration fee