669815

Information

• Patent Grant
• 669815

• References
• Source

• Patent Number

  669,815

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1901
  123 years ago

• CPC

  • F16K31/0613 - with cylindrical slides
  • F15B13/0405 - for seat valves
  • Y10T137/524 - Reversible stop and vent or waste

• US Classifications

  • 137 - Fluid handling