2003172

Information

• Patent Grant
• 2003172

• References
• Source

• Patent Number

  2,003,172

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1935
  89 years ago

• CPC

  • B43L9/002 - with perforated or marked discs
  • B43L13/201 - Stencils for drawing figures, objects

• US Classifications

  • 033 - Geometrical instruments
  • D10 - Measuring, testing, or signalling instruments