Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F17/00—Vertical ducts; Channels, e.g. for drainage
  • E04F17/08—Vertical ducts; Channels, e.g. for drainage for receiving utility lines, e.g. cables, pipes

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Building Environments (AREA)
• Working Measures On Existing Buildindgs (AREA)
• Finishing Walls (AREA)
• Load-Bearing And Curtain Walls (AREA)
• Door And Window Frames Mounted To Openings (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7407599

Family Applications (1)

Country Status (7)

• 1968
  • 1968-02-06 FR FR1553419D patent/FR1553419A/fr not_active Expired
  • 1968-02-08 BE BE710507D patent/BE710507A/xx unknown
  • 1968-02-09 CH CH193568A patent/CH475452A/de not_active IP Right Cessation
  • 1968-02-12 NL NL6801983A patent/NL6801983A/xx unknown
  • 1968-02-13 SE SE183268A patent/SE344095B/xx unknown
  • 1968-02-20 GB GB810868A patent/GB1221435A/en not_active Expired
  • 1968-02-21 ES ES350741A patent/ES350741A1/es not_active Expired

Also Published As

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