2007465

Information

• Patent Grant
• 2007465

• References
• Source

• Patent Number

  2,007,465

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1935
  89 years ago

• CPC

  • E21B47/0005 - control of cementation quality or level
  • E21B47/04 - Measuring depth or liquid level
  • Y10S507/907 - Indicating means

• US Classifications

  • 175 - Boring or penetrating the earth
  • 116 - Signals and indicators
  • 166 - Wells
  • 507 - Earth boring, well treating, and oil field chemistry