1742684

Information

• Patent Grant
• 1742684

• References
• Source

• Patent Number

  1,742,684

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1930
  94 years ago

• CPC

  • A41H3/002 - Set squares or rulers for drafting patterns

• US Classifications

  • 033 - Geometrical instruments
  • 223 - Apparel apparatus
  • D10 - Measuring, testing, or signalling instruments