2315682

Information

• Patent Grant
• 2315682

• References
• Source

• Patent Number

  2,315,682

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1943
  82 years ago

• CPC

  • G01R13/08 - Electromechanical recording systems using a mechanical direct-writing method
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 324 - Electricity: measuring and testing
  • 074 - Machine element or mechanism
  • 236 - Automatic temperature and humidity regulation