1670628

Information

• Patent Grant
• 1670628

• References
• Source

• Patent Number

  1,670,628

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • B23B51/05 - for cutting discs from sheet
  • B23B2260/088 - Indication scales
  • Y10T408/5605 - Recession at tool-axis
  • Y10T408/5623 - with presser foot
  • Y10T408/5653 - with means to bias Tool away from work

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool