2981281

Information

• Patent Grant
• 2981281

• References
• Source

• Patent Number

  2,981,281

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  63 years ago

• CPC

  • G05D16/0613 - the deformable sensing element acting as a throttling member
  • Y10S137/903 - Rubber valve springs
  • Y10T137/5397 - With extension to facilitate removal
  • Y10T137/7821 - With valve closing bias
  • Y10T137/7826 - With valve closing bias

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 267 - Spring devices