2667434

Information

• Patent Grant
• 2667434

• References
• Source

• Patent Number

  2,667,434

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1954
  70 years ago

• CPC

  • C23F1/06 - Sharpening files

• US Classifications

  • 134 - Cleaning and liquid contact with solids