1980403

Information

• Patent Grant
• 1980403

• References
• Source

• Patent Number

  1,980,403

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1934
  90 years ago

• CPC

  • B24D7/06 - with inserted abrasive blocks
  • B24B7/244 - continuous

• US Classifications

  • 451 - Abrading