2622326

Information

• Patent Grant
• 2622326

• References
• Source

• Patent Number

  2,622,326

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1952
  71 years ago

• CPC

  • B43L13/144 - including protractors
  • B43L13/142 - T-squares

• US Classifications

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