1420663

Information

• Patent Grant
• 1420663

• References
• Source

• Patent Number

  1,420,663

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1922
  102 years ago

• CPC

  • F16K1/44 - Details of seats or valve members of double-seat valves
  • Y10T137/87008 - Screw-actuated differential valves

• US Classifications

  • 137 - Fluid handling