2121891

Information

• Patent Grant
• 2121891

• References
• Source

• Patent Number

  2,121,891

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1938
  86 years ago

• CPC

  • F22D5/10 - and with pistons or membranes unitary with the feed inlet valves
  • Y10T137/7374 - Flexible diaphragm valve
  • Y10T137/742 - In separate communicating float chamber
  • Y10T137/7491 - Balanced valves

• US Classifications

  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation