1903641

Information

• Patent Grant
• 1903641

• References
• Source

• Patent Number

  1,903,641

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1933
  92 years ago

• CPC

  • F02P5/103 - dependent on the combustion-air pressure in engine
  • Y10S200/44 - Lubrication-periodic switches
  • Y10T74/2185 - Lubricated

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 074 - Machine element or mechanism
  • 184 - Lubrication
  • 384 - Bearings