1717722

Information

• Patent Grant
• 1717722

• References
• Source

• Patent Number

  1,717,722

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1929
  95 years ago

• CPC

  • H02P9/24 - due to variation of make-to-break ratio of intermittently-operating contacts
  • Y10T307/898 - Vibrating relay

• US Classifications

  • 322 - Electricity: single generator systems
  • 307 - Electrical transmission or interconnection systems