3371037

Information

• Patent Grant
• 3371037

• References
• Source

• Patent Number

  3,371,037

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1968
  56 years ago

• CPC

  • E21B21/003 - Means for stopping loss of drilling fluid
  • Y10S507/907 - Indicating means

• US Classifications

  • 507 - Earth boring, well treating, and oil field chemistry
  • 127 - Sugar, starch, and carbohydrates
  • 424 - Drug, bio-affecting and body treating compositions
  • 536 - Organic compounds