3452964

Information

• Patent Grant
• 3452964

• References
• Source

• Patent Number

  3,452,964

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • 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
  • Y10T74/19944 - Shaft-admitting insert

• US Classifications

  • 049 - Movable or removable closures
  • 074 - Machine element or mechanism
  • 185 - Motors: spring, weight, or animal powered
  • 254 - Implements or apparatus for applying pushing or pulling force