1684857

Information

• Patent Grant
• 1684857

• References
• Source

• Patent Number

  1,684,857

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1928
  96 years ago

• CPC

  • B66D1/18 - and the power being transmitted from a continuously operating and irreversible prime mover i.e. an internal combustion engine
  • B66D1/00 - Rope, cable, or chain winding mechanisms Capstans
  • E21B7/02 - Portable drilling rigs, truck-or skid-mounted, with their own drive

• US Classifications

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