2773394

Information

• Patent Grant
• 2773394

• References
• Source

• Patent Number

  2,773,394

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1956
  68 years ago

• CPC

  • F16G13/10 - with universal joints
  • E21C25/365 - allowing the bending into at least two planes

• US Classifications

  • 474 - Endless belt power transmission systems or components
  • 299 - Mining or in situ disintegration of hard material