2970264

Information

• Patent Grant
• 2970264

• References
• Source

• Patent Number

  2,970,264

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1961
  64 years ago

• CPC

  • G01R22/04 - by calorimetric methods
  • G07C3/02 - Registering or indicating working or idle time only

• US Classifications

  • 324 - Electricity: measuring and testing
  • 204 - Chemistry: electrical and wave energy
  • 368 - Horology: time measuring systems or devices