2972840

Information

• Patent Grant
• 2972840

• References
• Source

• Patent Number

  2,972,840

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1961
  63 years ago

• CPC

  • B24B3/583 - of bands
  • Y10T83/303 - With tool sharpener or smoother

• US Classifications

  • 451 - Abrading
  • 076 - Metal tools and implements, making
  • 083 - Cutting