1397566

Information

• Patent Grant
• 1397566

• References
• Source

• Patent Number

  1,397,566

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • B21K1/28 - wheels discs
  • B21J9/027 - with punches moving along auxiliary lateral directions
  • B21K1/42 - pulleys
  • Y10T29/49483 - Railway or trolley wheel making

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working