1639365

Information

• Patent Grant
• 1639365

• References
• Source

• Patent Number

  1,639,365

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • G01K7/10 - Arrangements for compensating for auxiliary variables

• US Classifications

  • 374 - Thermal measuring and testing
  • 116 - Signals and indicators
  • 324 - Electricity: measuring and testing