2933137

Information

• Patent Grant
• 2933137

• References
• Source

• Patent Number

  2,933,137

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1960
  65 years ago

• CPC

  • E21B43/086 - Screens with preformed openings
  • E03B3/15 - Keeping wells in good condition
  • E03B3/20 - of elements of special shape

• US Classifications

  • 166 - Wells