3021821

Information

• Patent Grant
• 3021821

• References
• Source

• Patent Number

  3,021,821

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  63 years ago

• CPC

  • B60T11/103 - in combination with other control devices
  • B60T13/72 - in vacuum systems or vacuum booster units
  • Y10T477/857 - Holding device comprising brake valve operated by solenoid

• US Classifications

  • 091 - Motors: expansible chamber type
  • 060 - Power plants
  • 303 - Fluid-pressure and analogous brake systems
  • 477 - Interrelated power delivery controls, including engine control