3840054

Information

• Patent Grant
• 3840054

• References
• Source

• Patent Number

  3,840,054

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • E04C5/0609 - Closed cages composed of two or more coacting cage parts
  • B28B21/56 - incorporating reinforcements or inserts
  • E04C5/0627 - Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat

• US Classifications

  • 138 - Pipes and tubular conduits
  • 245 - Wire fabrics and structure