2669940

Information

• Patent Grant
• 2669940

• References
• Source

• Patent Number

  2,669,940

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  70 years ago

• CPC

  • F04B53/146 - Piston-rod guiding arrangements
  • F04B47/005 - Sand trap arrangements

• US Classifications

  • 166 - Wells