1401879

Information

• Patent Grant
• 1401879

• References
• Source

• Patent Number

  1,401,879

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1921
  103 years ago

• CPC

  • F16K29/00 - Arrangements for movement of valve members other than for opening and closing the valve
  • Y10T137/4287 - Concentric stem
  • Y10T137/88062 - Coaxial oppositely directed seats
  • Y10T408/96 - Miscellaneous

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 408 - Cutting by use of rotating axially moving tool
  • 451 - Abrading