3828502

Information

• Patent Grant
• 3828502

• References
• Source

• Patent Number

  3,828,502

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • E04C2/292 - composed of insulating material and sheet metal
  • E04B1/14 - the elements being composed of two or more materials
  • E04B1/6145 - with recesses in both frontal surfaces co-operating with an additional connecting element
  • E04B1/6183 - with rotatable locking means co-operating with a recess

• US Classifications

  • 052 - Static structures