1420662

Information

• Patent Grant
• 1420662

• References
• Source

• Patent Number

  1,420,662

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1922
  102 years ago

• CPC

  • F16K1/443 - the seats being in series
  • Y10T137/87008 - Screw-actuated differential valves

• US Classifications

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