3858989

Information

• Patent Grant
• 3858989

• References
• Source

• Patent Number

  3,858,989

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • F16B7/18 - using screw-thread elements
  • A47B47/0008 - Three-dimensional corner connectors, the legs thereof being received within hollow, elongated frame members
  • A47B2220/11 - Tripod parts
  • F16B2012/443 - with two-dimensional corner element, the legs thereof being inserted in hollow frame members
  • F16B2012/446 - with three-dimensional corner element, the legs thereof being inserted in hollow frame members
  • Y10T403/342 - Polyhedral
  • Y10T403/555 - Angle section
  • Y10T403/7041 - including set screw

• US Classifications

  • 403 - Joints and connections