303252

Information

• Patent Grant
• 303252

• References
• Source

• Patent Number

  303,252

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1884
  140 years ago

• CPC

  • F16K17/04 - spring-loaded
  • Y10T137/7742 - Separate relief valves or valves for each branch
  • Y10T137/7932 - Valve stem extends through fixed spring abutment

• US Classifications

  • 137 - Fluid handling
  • 267 - Spring devices