JPS5197222A - - Google Patents
Info
- Publication number
- JPS5197222A JPS5197222A JP50021479A JP2147975A JPS5197222A JP S5197222 A JPS5197222 A JP S5197222A JP 50021479 A JP50021479 A JP 50021479A JP 2147975 A JP2147975 A JP 2147975A JP S5197222 A JPS5197222 A JP S5197222A
- Authority
- JP
- Japan
- 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
Links
Landscapes
- Ladders (AREA)
- Steps, Ramps, And Handrails (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2147975A JPS5434254B2 (en:Method) | 1975-02-21 | 1975-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2147975A JPS5434254B2 (en:Method) | 1975-02-21 | 1975-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5197222A true JPS5197222A (en:Method) | 1976-08-26 |
| JPS5434254B2 JPS5434254B2 (en:Method) | 1979-10-25 |
Family
ID=12056097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2147975A Expired JPS5434254B2 (en:Method) | 1975-02-21 | 1975-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5434254B2 (en:Method) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331466A (en) * | 1965-09-27 | 1967-07-18 | Wel Bilt Products Company | Counterbalancing structure for disappearing stairway |
| JPS4936717U (en:Method) * | 1972-05-25 | 1974-04-01 | ||
| JPS49118231U (en:Method) * | 1973-01-30 | 1974-10-09 |
-
1975
- 1975-02-21 JP JP2147975A patent/JPS5434254B2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331466A (en) * | 1965-09-27 | 1967-07-18 | Wel Bilt Products Company | Counterbalancing structure for disappearing stairway |
| JPS4936717U (en:Method) * | 1972-05-25 | 1974-04-01 | ||
| JPS49118231U (en:Method) * | 1973-01-30 | 1974-10-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5434254B2 (en:Method) | 1979-10-25 |