3142131

Information

• Patent Grant
• 3142131

• References
• Source

• Patent Number

  3,142,131

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1964
  61 years ago

• CPC

  • A63H13/15 - imitating drawing or writing
  • Y10T74/18296 - Cam and slide

• US Classifications

  • 446 - Amusement devices: toys
  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism