1534960

Information

• Patent Grant
• 1534960

• References
• Source

• Patent Number

  1,534,960

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1925
  99 years ago

• CPC

  • E03B3/20 - of elements of special shape
  • E21B43/08 - Screens or liners

• US Classifications

  • 166 - Wells