1308609

Information

• Patent Grant
• 1308609

• References
• Source

• Patent Number

  1,308,609

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1919
  105 years ago

• CPC

  • B23B51/05 - for cutting discs from sheet
  • Y10T408/875 - including means to "form" depression in work

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool