43530

Information

• Patent Grant
• 43530

• References
• Source

• Patent Number

  43,530

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1864
  160 years ago

• CPC

  • F26B5/06 - the process involving freezing
  • D01H7/02 - for imparting permanent twist

• US Classifications

  • 034 - Drying and gas or vapor contact with solids