Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
  • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/28—Installations of cables, lines, or separate protective tubing therefor in conduits or ducts pre-established in walls, ceilings or floors
  • H02G3/283—Installations of cables, lines, or separate protective tubing therefor in conduits or ducts pre-established in walls, ceilings or floors in floors

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6637111

Family Applications (1)

Country Status (4)

• 1974
  • 1974-02-27 CH CH273974A patent/CH564138A5/xx not_active IP Right Cessation
  • 1974-02-28 BE BE141521A patent/BE811725A/xx unknown
  • 1974-02-28 FR FR7406796A patent/FR2220032A1/fr not_active Withdrawn
  • 1974-02-28 CA CA193,810A patent/CA1010009A/en not_active Expired

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