2496811

Information

• Patent Grant
• 2496811

• References
• Source

• Patent Number

  2,496,811

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1950
  75 years ago

• CPC

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

• US Classifications

  • 248 - Supports