3771213

Information

• Patent Grant
• 3771213

• References
• Source

• Patent Number

  3,771,213

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • E04B9/045 - being laminated
  • E04B9/0485 - containing a filling element
  • E04C2/292 - composed of insulating material and sheet metal
  • Y10S29/042 - Tension applied during working
  • Y10T29/49906 - Metal deforming with nonmetallic bonding
  • Y10T156/1039 - Surface deformation only of sandwich or lamina [e.g., embossed panels]

• US Classifications

  • 029 - Metal working
  • 052 - Static structures
  • 156 - Adhesive bonding and miscellaneous chemical manufacture