2303258

Information

• Patent Grant
• 2303258

• References
• Source

• Patent Number

  2,303,258

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1942
  82 years ago

• CPC

  • C23F1/06 - Sharpening files

• US Classifications

  • 076 - Metal tools and implements, making