2160657

Information

• Patent Grant
• 2160657

• References
• Source

• Patent Number

  2,160,657

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1939
  85 years ago

• CPC

  • F22B37/545 - Valves specially adapted therefor
  • Y10T137/428 - Valve grinding motion of valve on seat
  • Y10T137/86976 - First valve moves second valve

• US Classifications

  • 137 - Fluid handling