451463

Information

• Patent Grant
• 451463

• References
• Source

• Patent Number

  451,463

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1891
  133 years ago

• CPC

  • C10F5/06 - combined with a carbonisation step for producing turfcoal

• US Classifications

  • 044 - Fuel and related compositions
  • 425 - Plastic article or earthenware shaping or treating: apparatus