3877138

Information

• Patent Grant
• 3877138

• References
• Source

• Patent Number

  3,877,138

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • A47B47/0008 - Three-dimensional corner connectors, the legs thereof being received within hollow, elongated frame members
  • F16B7/0446 - for tubes using the innerside thereof
  • F16B12/50 - Metal corner connections
  • A47B2220/11 - Tripod parts
  • F16B2012/446 - with three-dimensional corner element, the legs thereof being inserted in hollow frame members
  • Y10T29/49902 - by manipulating aligning means
  • Y10T29/49908 - Joining by deforming
  • Y10T29/49922 - by bending over projecting prongs

• US Classifications

  • 029 - Metal working
  • 052 - Static structures