2920421

Information

• Patent Grant
• 2920421

• References
• Source

• Patent Number

  2,920,421

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • C03B7/11 - Construction of the blades
  • Y10T83/8802 - And means to move cooperating cutter member
  • Y10T83/8812 - Cutting edge in radial plane

• US Classifications

  • 083 - Cutting