1348677

Information

• Patent Grant
• 1348677

• References
• Source

• Patent Number

  1,348,677

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1920
  104 years ago

• CPC

  • B21K7/00 - Making railway appurtenances Making vehicle parts
  • Y10T29/49977 - From center of ingot to leave hollow blank

• US Classifications

  • 029 - Metal working