3390491

Information

• Patent Grant
• 3390491

• References
• Source

• Patent Number

  3,390,491

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • H05K9/0001 - Rooms, chambers
  • E04H15/20 - inflatable
  • E04H2015/202 - with inflatable panels, without inflatable tubular framework
  • E04H2015/203 - supported by a non-inflatable structure or framework
  • E04H2015/205 - made from two sheets with intermediate spacer means
  • E04H2015/209 - Structures with a netting or similar for anchorage

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 052 - Static structures
  • D25 - Building units and construction elements