177103

Information

• Patent Grant
• 177103

• References
• Source

• Patent Number

  177,103

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1876
  148 years ago

• CPC

  • B29C47/84 - Heating or cooling the screws
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • F28F5/06 - Hollow screw conveyors
  • Y10S165/148 - Auger

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids