3681609

Information

• Patent Grant
• 3681609

• References
• Source

• Patent Number

  3,681,609

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B60K1/00 - Arrangement or mounting of electrical propulsion units
  • B60K3/02 - of piston type
  • B60K17/12 - of electric gearing
  • F01B17/025 - using liquid air
  • F01K15/02 - for driving vehicles
  • F01K25/10 - the vapours being cold
  • H01M10/613 - Cooling or keeping cold
  • H01M10/615 - Heating or keeping warm
  • H01M10/625 - Vehicles
  • H01M10/663 - the system being an air-conditioner or an engine

• US Classifications

  • 290 - Prime-mover dynamo plants
  • 180 - Motor vehicles