1952897

Information

• Patent Grant
• 1952897

• References
• Source

• Patent Number

  1,952,897

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1934
  90 years ago

• CPC

  • H01H35/18 - Switches operated by change of liquid level or of liquid density
  • H01H37/38 - with bellows

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 200 - Electricity: circuit makers and breakers