2250869

Information

• Patent Grant
• 2250869

• References
• Source

• Patent Number

  2,250,869

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1941
  83 years ago

• CPC

  • E01B11/50 - Joints made by electric welding

• US Classifications

  • 219 - Electric heating
  • 104 - Railways
  • 290 - Prime-mover dynamo plants