1808990

Information

• Patent Grant
• 1808990

• References
• Source

• Patent Number

  1,808,990

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

  • F16L37/407 - the lift valve being of the ball type
  • F16L37/252 - the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part
  • Y10T137/87273 - With fluid coupling [e.g., railway car hose coupling, truck-trailer oil system coupling, etc.]

• US Classifications

  • 137 - Fluid handling