2080620

Information

• Patent Grant
• 2080620

• References
• Source

• Patent Number

  2,080,620

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1937
  87 years ago

• CPC

  • B43L13/206 - material objects

• US Classifications

  • 033 - Geometrical instruments
  • D10 - Measuring, testing, or signalling instruments
  • D19 - Office supplies