2313688

Information

• Patent Grant
• 2313688

• References
• Source

• Patent Number

  2,313,688

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1943
  81 years ago

• CPC

  • G01K5/26 - with provision for adjusting zero point of scale

• US Classifications

  • 374 - Thermal measuring and testing
  • 073 - Measuring and testing
  • 359 - Optical: systems and elements