2488574

Information

• Patent Grant
• 2488574

• References
• Source

• Patent Number

  2,488,574

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1949
  75 years ago

• CPC

  • F41G5/26 - Apparatus for testing or checking

• US Classifications

  • 346 - Recorders
  • 324 - Electricity: measuring and testing