1902972

Information

• Patent Grant
• 1902972

• References
• Source

• Patent Number

  1,902,972

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1933
  92 years ago

• CPC

  • B63B27/04 - Ships' derricks
  • B63B21/16 - Using winches
  • B63B2708/02 - Winches and capstans driven by electric or electro-hydraulic means

• US Classifications

  • 114 - Ships
  • 212 - Traversing hoists
  • 244 - Aeronautics and astronautics
  • 414 - Material or article handling