3402522

Information

• Patent Grant
• 3402522

• References
• Source

• Patent Number

  3,402,522

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1968
  56 years ago

• CPC

  • E04B2/842 - by projecting or otherwise applying hardenable masses to the exterior of a form leaf
  • E04B2/847 - the form leaf comprising an insulating foam panel

• US Classifications

  • 052 - Static structures