2634956

Information

• Patent Grant
• 2634956

• References
• Source

• Patent Number

  2,634,956

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1953
  72 years ago

• CPC

  • E21B10/06 - Roller core bits

• US Classifications

  • 175 - Boring or penetrating the earth