1534688

Information

• Patent Grant
• 1534688

• References
• Source

• Patent Number

  1,534,688

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1925
  99 years ago

• CPC

  • B23K9/0008 - Welding without shielding means against the influence of the surrounding atmosphere

• US Classifications

  • 219 - Electric heating