613737

Information

• Patent Grant
• 613737

• References
• Source

• Patent Number

  613,737

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1898
  126 years ago

• CPC

  • F16K1/44 - Details of seats or valve members of double-seat valves
  • Y10T137/7803 - With protective separator
  • Y10T137/7805 - Through external pipe
  • Y10T137/7832 - Plural valves biased closed
  • Y10T137/7908 - Weight biased
  • Y10T137/86783 - Unequal heads

• US Classifications

  • 137 - Fluid handling