3858021

Information

• Patent Grant
• 3858021

• References
• Source

• Patent Number

  3,858,021

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • H01H13/58 - with contact-driving member rotated step-wise in one direction
  • H01H1/16 - by rolling by wrapping Roller or ball contacts
  • H01H1/18 - with subsequent sliding
  • H01H1/28 - Assembly of three or more contact-supporting spring blades
  • H01H1/403 - Contacts forming part of a printed circuit

• US Classifications

  • 200 - Electricity: circuit makers and breakers