3473390

Information

• Patent Grant
• 3473390

• References
• Source

• Patent Number

  3,473,390

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • G01R11/60 - Subtraction meters Meters measuring maximum or minimum load hours
  • Y10T74/19874 - Mutilated
  • Y10T74/19879 - Geneva
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 074 - Machine element or mechanism
  • 324 - Electricity: measuring and testing