1975748

Information

• Patent Grant
• 1975748

• References
• Source

• Patent Number

  1,975,748

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1934
  90 years ago

• CPC

  • F02P5/12 - dependent a specific pressure other than that of combustion-air
  • H01H35/38 - actuated by piston and cylinder

• US Classifications

  • 200 - Electricity: circuit makers and breakers