2730347

Information

• Patent Grant
• 2730347

• References
• Source

• Patent Number

  2,730,347

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  69 years ago

• CPC

  • E21C25/30 - Chain guides
  • Y10T403/32442 - At least one discrete position
  • Y10T403/32532 - Clamped members
  • Y10T403/76 - having a cam, wedge, or tapered portion

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 403 - Joints and connections