1447205

Information

• Patent Grant
• 1447205

• References
• Source

• Patent Number

  1,447,205

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1923
  101 years ago

• CPC

  • C05F1/02 - Apparatus for the manufacture
  • Y02P20/145 - the feedstock being materials of biological origin

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 220 - Receptacles