1857196

Information

• Patent Grant
• 1857196

• References
• Source

• Patent Number

  1,857,196

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • G01R1/38 - Arrangements for altering the indicating characteristic

• US Classifications

  • 374 - Thermal measuring and testing
  • 324 - Electricity: measuring and testing
  • 363 - Electric power conversion systems