2987075

Information

• Patent Grant
• 2987075

• References
• Source

• Patent Number

  2,987,075

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  63 years ago

• CPC

  • E21D15/512 - Arrangement of valves
  • Y10T137/7928 - With follower
  • Y10T137/7936 - Spring guides valve head

• US Classifications

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