3851687

Information

• Patent Grant
• 3851687

• References
• Source

• Patent Number

  3,851,687

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • B43L23/06 - in which the pencils or leads are sharpened by only axial movement against cutting blades

• US Classifications

  • 030 - Cutlery