3369556

Information

• Patent Grant
• 3369556

• References
• Source

• Patent Number

  3,369,556

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1968
  56 years ago

• CPC

  • F16K49/00 - Means in or on valves for heating or cooling
  • Y10T137/1353 - Low temperature responsive drains
  • Y10T137/1963 - Temperature
  • Y10T137/402 - Distribution systems involving geographic features
  • Y10T137/5497 - Protection against freezing
  • Y10T137/6973 - Outside access to portions of the system

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation