1974442

Information

• Patent Grant
• 1974442

• References
• Source

• Patent Number

  1,974,442

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1934
  90 years ago

• CPC

  • B43L13/203 - human, animal, or vegetal figures

• US Classifications

  • 434 - Education and demonstration
  • 033 - Geometrical instruments
  • D10 - Measuring, testing, or signalling instruments