NL7104494A - - Google Patents
Info
- Publication number
- NL7104494A NL7104494A NL7104494A NL7104494A NL7104494A NL 7104494 A NL7104494 A NL 7104494A NL 7104494 A NL7104494 A NL 7104494A NL 7104494 A NL7104494 A NL 7104494A NL 7104494 A NL7104494 A NL 7104494A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH502170A CH522104A (en) | 1970-04-06 | 1970-04-06 | Installation of extendable bleachers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7104494A true NL7104494A (en) | 1971-10-08 |
Family
ID=4286571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7104494A NL7104494A (en) | 1970-04-06 | 1971-04-02 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE764946A (en) |
| CH (1) | CH522104A (en) |
| DE (1) | DE2115904A1 (en) |
| FR (1) | FR2083277A5 (en) |
| NL (1) | NL7104494A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050366A (en) * | 1996-07-15 | 2000-04-18 | Hydraulic Technical Services (Consultants) Ltd. | Combined stairway and lift installation and a retractable stairway |
-
1970
- 1970-04-06 CH CH502170A patent/CH522104A/en not_active IP Right Cessation
-
1971
- 1971-03-29 BE BE764946A patent/BE764946A/en unknown
- 1971-03-30 FR FR7111181A patent/FR2083277A5/fr not_active Expired
- 1971-04-01 DE DE19712115904 patent/DE2115904A1/en active Pending
- 1971-04-02 NL NL7104494A patent/NL7104494A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH522104A (en) | 1972-04-30 |
| BE764946A (en) | 1971-08-16 |
| DE2115904A1 (en) | 1971-10-28 |
| FR2083277A5 (en) | 1971-12-10 |