3625423

Information

• Patent Grant
• 3625423

• References
• Source

• Patent Number

  3,625,423

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1971
  52 years ago

• CPC

  • F23N1/087 - using mechanical means
  • F23N5/188 - using mechanical means
  • F24D19/1006 - for water heating systems
  • F23N2035/18 - Groups of two or more valves
  • F23N2035/20 - Membrane valves
  • F23N2035/24 - Valve details
  • F24D10/00 - District heating systems

• US Classifications

  • 237 - Heating systems