3734325

Information

• Patent Grant
• 3734325

• References
• Source

• Patent Number

  3,734,325

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • B66C1/54 - Internally-expanding grippers for handling hollow articles
  • B66C1/0212 - Circular shape
  • B66C1/0218 - Safety measures
  • B66C1/0243 - Separate cups
  • B66C1/0256 - Operating and control devices
  • B66D3/12 - Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
  • B66D2700/023 - Hoists

• US Classifications

  • 414 - Material or article handling
  • 294 - Handling: hand and hoist-line implements