1993167

Information

• Patent Grant
• 1993167

• References
• Source

• Patent Number

  1,993,167

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  89 years ago

• CPC

  • F16L37/16 - Joints tightened by the action of a wedge-shaped hinged hook
  • F16L37/40 - with a lift valve being opened automatically when the coupling is applied

• US Classifications

  • 251 - Valves and valve actuation
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 285 - Pipe joints or couplings