3648414

Information

• Patent Grant
• 3648414

• References
• Source

• Patent Number

  3,648,414

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • B24D15/065 - for sharpening both knives and scissors

• US Classifications

  • 451 - Abrading