3818487

Information

• Patent Grant
• 3818487

• References
• Source

• Patent Number

  3,818,487

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • F03G7/06 - using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
  • H01H2215/046 - Inflatable bubble or cell
  • Y10T137/4486 - Plural valves or valve seats
  • Y10T137/5283 - Units interchangeable between alternate locations
  • Y10T137/7737 - Thermal responsive

• US Classifications

  • 340 - Communications: electrical
  • 137 - Fluid handling
  • 417 - Pumps