3641991

Information

• Patent Grant
• 3641991

• References
• Source

• Patent Number

  3,641,991

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • B24B19/008 - for grinding ceramics, pottery, table ware
  • B24B41/002 - Grinding heads
  • B28D1/16 - by turning

• US Classifications

  • 125 - Stone working
  • 451 - Abrading