2720891

Information

• Patent Grant
• 2720891

• References
• Source

• Patent Number

  2,720,891

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • G05D9/02 - without auxiliary power
  • Y10T137/3056 - Weight or pressure
  • Y10T137/7352 - Top and bottom connections
  • Y10T137/7836 - Flexible diaphragm or bellows reactor

• US Classifications

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