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
  • E04F11/104—Treads
  • E04F11/112—Treads of metal or with an upper layer of metal
• • 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
  • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
  • E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Steps, Ramps, And Handrails (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5919492

Family Applications (1)

Country Status (6)

• 1974
  • 1974-07-02 DE DE19742431709 patent/DE2431709A1/de active Pending
• 1975
  • 1975-06-30 BE BE157847A patent/BE830838A/xx unknown
  • 1975-07-01 FR FR7520612A patent/FR2277205A1/fr active Granted
  • 1975-07-01 CH CH864575A patent/CH596409A5/xx not_active IP Right Cessation
  • 1975-07-01 LU LU72877A patent/LU72877A1/xx unknown
  • 1975-07-01 IT IT2498075A patent/IT1044352B/it active

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