972920

Information

• Patent Grant
• 972920

• References
• Source

• Patent Number

  972,920

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1910
  114 years ago

• CPC

  • A63H13/15 - imitating drawing or writing

• US Classifications

  • 446 - Amusement devices: toys
  • 033 - Geometrical instruments
  • 273 - Amusement devices: games