2702989

Information

• Patent Grant
• 2702989

• References
• Source

• Patent Number

  2,702,989

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1955
  69 years ago

• CPC

  • G05D23/027 - for combustible fluid
  • Y10T137/2514 - Self-proportioning flow systems

• US Classifications

  • 431 - Combustion
  • 062 - Refrigeration
  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation