1278914

Information

• Patent Grant
• 1278914

• References
• Source

• Patent Number

  1,278,914

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1918
  106 years ago

• CPC

  • B21D51/08 - ball-shaped objects
  • Y10T29/49714 - Hollow ball

• US Classifications

  • 029 - Metal working