3225287

Information

• Patent Grant
• 3225287

• References
• Source

• Patent Number

  3,225,287

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1965
  59 years ago

• CPC

  • H02J7/22 - due to variation of make-to-break ratio of intermittently-operating contacts
  • H01H33/596 - for interrupting dc

• US Classifications

  • 322 - Electricity: single generator systems
  • 361 - Electricity: electrical systems and devices