1387446

Information

• Patent Grant
• 1387446

• References
• Source

• Patent Number

  1,387,446

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1921
  103 years ago

• CPC

  • F16K1/12 - with streamlined valve member around which the fluid flows when the valve is opened
  • Y10T137/3367 - Larner-Johnson type valves i.e., telescoping internal valve in expanded flow line section
  • Y10T137/88014 - Opposed screw

• US Classifications

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