2610407

Information

• Patent Grant
• 2610407

• References
• Source

• Patent Number

  2,610,407

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1952
  72 years ago

• CPC

  • B43L13/146 - Squares

• US Classifications

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