3680277

Information

• Patent Grant
• 3680277

• References
• Source

• Patent Number

  3,680,277

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • E04B2/08 - by interlocking of projections or inserts with indentations
  • E04B1/6154 - the connection made by friction-grip
  • F16B5/002 - both sheets, plates or panels having a groove
  • F16B5/0024 - the sheets, plates or panels having holes
  • F16B5/0052 - the interlocking key acting as a dovetail-type key
  • E04B2002/0252 - Dovetail keys

• US Classifications

  • 052 - Static structures