2183047

Information

• Patent Grant
• 2183047

• References
• Source

• Patent Number

  2,183,047

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1939
  85 years ago

• CPC

  • E01B11/50 - Joints made by electric welding

• US Classifications

  • 219 - Electric heating
  • 238 - Railways: surface track