2921258

Information

• Patent Grant
• 2921258

• References
• Source

• Patent Number

  2,921,258

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  64 years ago

• CPC

  • G04F13/023 - using cathode-ray oscilloscopes

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 324 - Electricity: measuring and testing
  • 968 - Horology