3818671

Information

• Patent Grant
• 3818671

• References
• Source

• Patent Number

  3,818,671

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • E04G1/14 - Comprising essentially pre-assembled two-dimensional frame-like elements
  • E04B1/20 - the supporting parts consisting of concrete
  • E04G7/02 - with separate coupling elements
  • E04H12/14 - Truss-like structures
  • E04B1/215 - comprising metallic plates or parts

• US Classifications

  • 052 - Static structures
  • 182 - Fire escape, ladder, or scaffold