2977974

Information

• Patent Grant
• 2977974

• References
• Source

• Patent Number

  2,977,974

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • F16K1/427 - Attachment of the seat to the housing by one or more additional fixing elements
  • F16K1/46 - Attachment of sealing rings
  • F16K1/465 - to the valve seats
  • Y10T137/428 - Valve grinding motion of valve on seat
  • Y10T137/6253 - Rotary motion of a reciprocating valve
  • Y10T137/7934 - Spring abuts removable valve stem guide

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation