1747837

Information

• Patent Grant
• 1747837

• References
• Source

• Patent Number

  1,747,837

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  95 years ago

• CPC

  • H03B5/30 - with frequency-determining element being electromechanical resonator
  • Y10T307/898 - Vibrating relay

• US Classifications

  • 363 - Electric power conversion systems
  • 307 - Electrical transmission or interconnection systems