161974

Information

• Patent Grant
• 161974

• References
• Source

• Patent Number

  161,974

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1875
  150 years ago

• CPC

  • B66F3/08 - screw operated
  • Y10S254/08 - Screw jacks, plural section nut

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 269 - Work holders