KR900000871U - 절첩 사다리 - Google Patents
절첩 사다리Info
- 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
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
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 KR910004762Y1 (ko) | 1988-06-13 | 1988-06-13 | 절첩 사다리 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910004762Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100756356B1 (ko) * | 2002-06-28 | 2007-09-10 | 주식회사 케이티 | 지하구조물 출입구의 사다리 |
-
1988
- 1988-06-13 KR KR2019880009054U patent/KR910004762Y1/ko active IP Right Grant
Cited By (1)
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 | ||
E701 | Decision to grant or registration of patent right | ||
NORF | Unpaid initial registration fee |