2771264

Information

• Patent Grant
• 2771264

• References
• Source

• Patent Number

  2,771,264

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1956
  68 years ago

• CPC

  • E21D15/26 - with screw, worm, or the like, not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 248 - Supports