3751862

Information

• Patent Grant
• 3751862

• References
• Source

• Patent Number

  3,751,862

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • E04H15/20 - inflatable
  • E04H2015/205 - made from two sheets with intermediate spacer means
  • E04H2015/207 - Tents specially designed for insulation

• US Classifications

  • 052 - Static structures
  • 135 - Tent, canopy, umbrella, or cane
  • D25 - Building units and construction elements