3478477

Information

• Patent Grant
• 3478477

• References
• Source

• Patent Number

  3,478,477

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • E04B2/60 - characterised by special cross-section of the elongated members
  • E04B1/24 - the supporting parts consisting of metal
  • E04B2001/2433 - using a removable key
  • E04B2001/2454 - Connections between open and closed section profiles
  • E04B2001/2481 - Details of wall panels
  • E04B2001/2484 - Details of floor panels or slabs
  • E04B2001/249 - Structures with a sloping roof

• US Classifications

  • 052 - Static structures
  • 454 - Ventilation