1630775

Information

• Patent Grant
• 1630775

• References
• Source

• Patent Number

  1,630,775

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1927
  97 years ago

• CPC

  • B24B5/485 - using grinding wires or ropes

• US Classifications

  • 451 - Abrading
  • 072 - Metal deforming
  • 125 - Stone working