CH522104A - Installation de gradins extensibles - Google Patents

Installation de gradins extensibles

Info

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
Application number
CH502170A
Other languages
English (en)
Inventor
Burri Daniel
Muehlethaler Charles
Original Assignee
Burri Daniel
Muehlethaler Charles
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 Burri Daniel, Muehlethaler Charles filed Critical Burri Daniel
Priority to CH502170A priority Critical patent/CH522104A/fr
Priority to BE764946A priority patent/BE764946A/fr
Priority to FR7111181A priority patent/FR2083277A5/fr
Priority to DE19712115904 priority patent/DE2115904A1/de
Priority to NL7104494A priority patent/NL7104494A/xx
Publication of CH522104A publication Critical patent/CH522104A/fr

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)
CH502170A 1970-04-06 1970-04-06 Installation de gradins extensibles CH522104A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH502170A CH522104A (fr) 1970-04-06 1970-04-06 Installation de gradins extensibles
BE764946A BE764946A (fr) 1970-04-06 1971-03-29 Installation de gradins extensibles
FR7111181A FR2083277A5 (fr) 1970-04-06 1971-03-30
DE19712115904 DE2115904A1 (de) 1970-04-06 1971-04-01 Ausziehbare Treppe
NL7104494A NL7104494A (fr) 1970-04-06 1971-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH502170A CH522104A (fr) 1970-04-06 1970-04-06 Installation de gradins extensibles

Publications (1)

Publication Number Publication Date
CH522104A true CH522104A (fr) 1972-04-30

Family

ID=4286571

Family Applications (1)

Application Number Title Priority Date Filing Date
CH502170A CH522104A (fr) 1970-04-06 1970-04-06 Installation de gradins extensibles

Country Status (5)

Country Link
BE (1) BE764946A (fr)
CH (1) CH522104A (fr)
DE (1) DE2115904A1 (fr)
FR (1) FR2083277A5 (fr)
NL (1) NL7104494A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL7104494A (fr) 1971-10-08
BE764946A (fr) 1971-08-16
DE2115904A1 (de) 1971-10-28
FR2083277A5 (fr) 1971-12-10

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased