2313752

Information

• Patent Grant
• 2313752

• References
• Source

• Patent Number

  2,313,752

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1943
  81 years ago

• CPC

  • G01R13/08 - Electromechanical recording systems using a mechanical direct-writing method

• US Classifications

  • 346 - Recorders
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical
  • 400 - Typewriting machines