2003840

Information

• Patent Grant
• 2003840

• References
• Source

• Patent Number

  2,003,840

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1935
  89 years ago

• CPC

  • F16K25/00 - Details relating to contact between valve members and seat
  • Y10T137/4442 - External pressure
  • Y10T137/4449 - Gravity or capillary feed
  • Y10T137/7932 - Valve stem extends through fixed spring abutment

• US Classifications

  • 137 - Fluid handling