3821842

Information

• Patent Grant
• 3821842

• References
• Source

• Patent Number

  3,821,842

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  51 years ago

• CPC

  • B23K20/028 - Butt welding
  • B21F15/02 - wire with wire
  • Y10T29/49888 - Subsequently coating
  • Y10T29/49982 - Coating
  • Y10T29/49986 - Subsequent to metal working

• US Classifications

  • 029 - Metal working
  • 204 - Chemistry: electrical and wave energy
  • 228 - Metal fusion bonding