861403

Information

• Patent Grant
• 861403

• References
• Source

• Patent Number

  861,403

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1907
  117 years ago

• CPC

  • B21K1/02 - balls, rolls, or rollers
  • Y10T29/49714 - Hollow ball

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working