CH522104A - Installation of extendable bleachers - Google Patents
Installation of extendable bleachersInfo
- Publication number
- CH522104A CH522104A CH502170A CH502170A CH522104A CH 522104 A CH522104 A CH 522104A CH 502170 A CH502170 A CH 502170A CH 502170 A CH502170 A CH 502170A CH 522104 A CH522104 A CH 522104A
- Authority
- CH
- Switzerland
- Prior art keywords
- bleachers
- extendable
- installation
- extendable bleachers
- Prior art date
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH502170A CH522104A (en) | 1970-04-06 | 1970-04-06 | Installation of extendable bleachers |
BE764946A BE764946A (en) | 1970-04-06 | 1971-03-29 | INSTALLATION OF EXTENSIBLE SHELVES |
FR7111181A FR2083277A5 (en) | 1970-04-06 | 1971-03-30 | |
DE19712115904 DE2115904A1 (en) | 1970-04-06 | 1971-04-01 | Extendable stairs |
NL7104494A NL7104494A (en) | 1970-04-06 | 1971-04-02 |
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 |
---|---|
CH522104A true CH522104A (en) | 1972-04-30 |
Family
ID=4286571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH502170A CH522104A (en) | 1970-04-06 | 1970-04-06 | Installation of extendable bleachers |
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 |
---|---|
NL7104494A (en) | 1971-10-08 |
BE764946A (en) | 1971-08-16 |
DE2115904A1 (en) | 1971-10-28 |
FR2083277A5 (en) | 1971-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |