3520221

Information

• Patent Grant
• 3520221

• References
• Source

• Patent Number

  3,520,221

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • B23D35/004 - for circular cutting members
  • B26D7/2621 - for circular cutters
  • Y10T83/9374 - With spacer interposed between shaft-mounted tools

• US Classifications

  • 083 - Cutting