1973224

Information

• Patent Grant
• 1973224

• References
• Source

• Patent Number

  1,973,224

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1934
  90 years ago

• CPC

  • B66F3/08 - screw operated
  • B66F3/14 - actuated through pawl-and-ratchet mechanisms

• US Classifications

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