2542478

Information

• Patent Grant
• 2542478

• References
• Source

• Patent Number

  2,542,478

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1951
  74 years ago

• CPC

  • G06G7/44 - using continuous medium, current-sensitive paper

• US Classifications

  • 324 - Electricity: measuring and testing
  • 178 - Telegraphy
  • 338 - Electrical resistors
  • 445 - Electric lamp or space discharge component or device manufacturing
  • 702 - Data processing: measuring, calibrating, or testing