3856997

Information

• Patent Grant
• 3856997

• References
• Source

• Patent Number

  3,856,997

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • H01H19/14 - Operating parts
  • H01H9/165 - comprising numbered dials
  • H01H2019/143 - having at least two concentric turn knobs

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • D13 - Equipment for production, distribution, or transformation of energy