2463163

Information

• Patent Grant
• 2463163

• References
• Source

• Patent Number

  2,463,163

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1949
  75 years ago

• CPC

  • B43L13/141 - Two-dimensional devices
  • B43L13/16 - free-hand

• US Classifications

  • 434 - Education and demonstration