2789671

Information

• Patent Grant
• 2789671

• References
• Source

• Patent Number

  2,789,671

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • E06B3/9604 - Welded or soldered joints
  • E06B3/16 - Hollow frames of special construction

• US Classifications

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