3429050

Information

• Patent Grant
• 3429050

• References
• Source

• Patent Number

  3,429,050

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  56 years ago

• CPC

  • A41H23/00 - Devices for applying chalk Sharpening or holding chalk

• US Classifications

  • 033 - Geometrical instruments