1770689

Information

• Patent Grant
• 1770689

• References
• Source

• Patent Number

  1,770,689

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  95 years ago

• CPC

  • F02M31/081 - Manual switching of the fluids directed to the heat exchange surfaces
  • Y02T10/126 - Treating fuel, air or air/fuel mixture

• US Classifications

  • 123 - Internal-combustion engines