3817840

Information

• Patent Grant
• 3817840

• References
• Source

• Patent Number

  3,817,840

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • C10B43/04 - by mechanical means
  • C10B25/14 - Devices for lifting doors
  • C10B33/14 - Coke guides

• US Classifications

  • 202 - Distillation: apparatus
  • 414 - Material or article handling