3714749

Information

• Patent Grant
• 3714749

• References
• Source

• Patent Number

  3,714,749

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  51 years ago

• CPC

  • E04B1/34378 - Structures deriving their rigidity from concertina folds

• US Classifications

  • 052 - Static structures
  • D25 - Building units and construction elements