2176921

Information

• Patent Grant
• 2176921

• References
• Source

• Patent Number

  2,176,921

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  85 years ago

• CPC

  • B66C3/06 - Grabs actuated by a single rope or chain

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating
  • 175 - Boring or penetrating the earth
  • 294 - Handling: hand and hoist-line implements