3562979

Information

• Patent Grant
• 3562979

• References
• Source

• Patent Number

  3,562,979

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1971
  53 years ago

• CPC

  • E04B1/34 - Extraordinary structures
  • E04B1/215 - comprising metallic plates or parts
  • E04G15/06 - for cavities or channels in walls of floors
  • Y10S249/02 - Paper core

• US Classifications

  • 052 - Static structures
  • 249 - Static molds