2123171

Information

• Patent Grant
• 2123171

• References
• Source

• Patent Number

  2,123,171

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1938
  86 years ago

• CPC

  • B24B19/002 - for knife blades

• US Classifications

  • 451 - Abrading
  • 065 - Glass manufacturing