3091844

Information

• Patent Grant
• 3091844

• References
• Source

• Patent Number

  3,091,844

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1963
  61 years ago

• CPC

  • B21D39/037 - Interlocking butt joints
  • Y10T29/49845 - by deforming interlock
  • Y10T29/49922 - by bending over projecting prongs
  • Y10T29/49936 - Surface interlocking
  • Y10T403/7094 - Enlarged head in complementary recess, e.g., dovetail, etc.

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 403 - Joints and connections