1223522

Information

• Patent Grant
• 1223522

• References
• Source

• Patent Number

  1,223,522

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1917
  107 years ago

• CPC

  • B21J15/46 - Positioners for rivets for making tube joints
  • Y10T29/53778 - Pipe joiner

• US Classifications

  • 029 - Metal working