1896704

Information

• Patent Grant
• 1896704

• References
• Source

• Patent Number

  1,896,704

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1933
  92 years ago

• CPC

  • B21J1/02 - Preliminary treatment of metal stock without particular shaping
  • Y10T29/49977 - From center of ingot to leave hollow blank

• US Classifications

  • 029 - Metal working