3850411

Information

• Patent Grant
• 3850411

• References
• Source

• Patent Number

  3,850,411

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • B66D1/24 - for varying speed or reversing direction of rotation of drums or barrels
  • B66D1/22 - Planetary or differential gearings

• US Classifications

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