2939431

Information

• Patent Grant
• 2939431

• References
• Source

• Patent Number

  2,939,431

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1960
  64 years ago

• CPC

  • B25H1/0028 - Tool balancers
  • 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

  • 091 - Motors: expansible chamber type
  • 254 - Implements or apparatus for applying pushing or pulling force