1902969

Information

• Patent Grant
• 1902969

• References
• Source

• Patent Number

  1,902,969

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1933
  91 years ago

• CPC

  • F22D1/42 - specially adapted for locomotives
  • Y10T137/6858 - Locomotive
  • Y10T137/86879 - Reciprocating valve unit
  • Y10T137/86919 - Sequentially closing and opening alternately seating flow controllers

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 092 - Expansible chamber devices
  • 137 - Fluid handling