2227369

Information

• Patent Grant
• 2227369

• References
• Source

• Patent Number

  2,227,369

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • E01B11/50 - Joints made by electric welding

• US Classifications

  • 238 - Railways: surface track