2137443

Information

• Patent Grant
• 2137443

• References
• Source

• Patent Number

  2,137,443

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • G01P3/10 - by actuating an indicating element
  • G01P5/07 - with electrical coupling to the indicating device

• US Classifications

  • 235 - Registers
  • 073 - Measuring and testing