2857503

Information

• Patent Grant
• 2857503

• References
• Source

• Patent Number

  2,857,503

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • B23K13/043 - Seam welding
  • H05B6/40 - Establishing desired heat distribution

• US Classifications

  • 219 - Electric heating