3898779

Information

• Patent Grant
• 3898779

• References
• Source

• Patent Number

  3,898,779

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

  • E04C2/205 - of foamed plastics, or of plastics and foamed plastics, optionally reinforced
  • E04B1/12 - the elements consisting of other material
  • E04B2/68 - made by filling-up wall cavities
  • E04B2/8629 - with both form leaves and spacers being monolithic

• US Classifications

  • 052 - Static structures