3504891

Information

• Patent Grant
• 3504891

• References
• Source

• Patent Number

  3,504,891

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • B66D3/18 - Power-operated hoists
  • B66D5/26 - pneumatic or hydraulic
  • B66D2700/026 - Pulleys, sheaves, pulley blocks or their mounting
  • B66D2700/035 - Fluid operated braking devices
  • Y10S254/901 - Antifriction means for cable pulling drum

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 188 - Brakes