1709723

Information

• Patent Grant
• 1709723

• References
• Source

• Patent Number

  1,709,723

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1929
  95 years ago

• CPC

  • H01H33/555 - Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement

• US Classifications

  • 116 - Signals and indicators
  • 340 - Communications: electrical