3809496

Information

• Patent Grant
• 3809496

• References
• Source

• Patent Number

  3,809,496

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • F04D13/16 - with storage reservoirs
  • F22D11/06 - for returning condensate to boiler
  • F24D1/08 - Feed-line arrangements

• US Classifications

  • 417 - Pumps
  • 237 - Heating systems