3789561

Information

• Patent Grant
• 3789561

• References
• Source

• Patent Number

  3,789,561

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  51 years ago

• CPC

  • E06B1/16 - Hollow frames
  • E04B2/76 - with framework or posts of metal
  • E06B3/988 - specially adapted for sheet metal frame members with an open U-shaped cross-section
  • Y10T403/4681 - Bolted to rod

• US Classifications

  • 052 - Static structures
  • 403 - Joints and connections