3001057

Information

• Patent Grant
• 3001057

• References
• Source

• Patent Number

  3,001,057

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1961
  63 years ago

• CPC

  • B23K9/007 - Spot arc welding
  • B23K9/035 - with backing means disposed under the seam
  • B23K9/0356 - the backing means being a tape or strip

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding