2504601

Information

• Patent Grant
• 2504601

• References
• Source

• Patent Number

  2,504,601

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1950
  75 years ago

• CPC

  • E21B17/22 - Rods or pipes with helical structure
  • Y10T408/898 - Helical ribbon Tool
  • Y10T408/95 - with tool-retaining means

• US Classifications

  • 175 - Boring or penetrating the earth
  • 408 - Cutting by use of rotating axially moving tool