2557483

Information

• Patent Grant
• 2557483

• References
• Source

• Patent Number

  2,557,483

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • A62B1/10 - mechanically operated
  • 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

  • 188 - Brakes
  • 182 - Fire escape, ladder, or scaffold